Unfortunately, there is no simple fix for what you want to accomplish--however, it can be done. This is the best set of instructions available on different types of conditional formatting in Tableau. You'll want the Multiple Axis Crosstab--he has examples of shapes/colors for different columns there. The author of this will be happy to help you, if you get stuck along the way.
You can also do KPI stuff in your tooltips--see: Terrific tooltip tricks: European conference session | Gravy Anecdote