Finding the Fourth Proportional to 1,247,581.24, 1,721,660.04 and 703,715.32
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Solution
The fourth proportional to 1,247,581.24, 1,721,660.04 and 703,715.32 is: 971,125.97
Step by Step Solution
- Step 1: Write the proportion equation
1,247,581.24 : 1,721,660.04 = 703,715.32 : x - Step 2: Convert to fraction form
1,247,581.24/1,721,660.04 = 703,715.32/x - Step 3: Cross multiply
1,247,581.24x = 1,721,660.04 × 703,715.32 - Step 4: Simplify right side
1,247,581.24x = 1,211,558,545,979.81 - Step 5: Solve for x
x = 1,211,558,545,979.81/1,247,581.24 - Step 6: Final answer
x = 971,125.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.