Finding the Fourth Proportional to 1,001,045.79, 1,381,441.96 and 542,160.09
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Solution
The fourth proportional to 1,001,045.79, 1,381,441.96 and 542,160.09 is: 748,180.26
Step by Step Solution
- Step 1: Write the proportion equation
1,001,045.79 : 1,381,441.96 = 542,160.09 : x - Step 2: Convert to fraction form
1,001,045.79/1,381,441.96 = 542,160.09/x - Step 3: Cross multiply
1,001,045.79x = 1,381,441.96 × 542,160.09 - Step 4: Simplify right side
1,001,045.79x = 748,962,697,363.38 - Step 5: Solve for x
x = 748,962,697,363.38/1,001,045.79 - Step 6: Final answer
x = 748,180.26
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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.