Finding the Fourth Proportional to 1,381,414.69, 2,072,402.29 and 434,565.19
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Solution
The fourth proportional to 1,381,414.69, 2,072,402.29 and 434,565.19 is: 651,935.94
Step by Step Solution
- Step 1: Write the proportion equation
1,381,414.69 : 2,072,402.29 = 434,565.19 : x - Step 2: Convert to fraction form
1,381,414.69/2,072,402.29 = 434,565.19/x - Step 3: Cross multiply
1,381,414.69x = 2,072,402.29 × 434,565.19 - Step 4: Simplify right side
1,381,414.69x = 900,593,884,548.27 - Step 5: Solve for x
x = 900,593,884,548.27/1,381,414.69 - Step 6: Final answer
x = 651,935.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.