Finding the Fourth Proportional to 1,125,154.19, 1,687,431.49 and 315,493.99
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Solution
The fourth proportional to 1,125,154.19, 1,687,431.49 and 315,493.99 is: 473,156.92
Step by Step Solution
- Step 1: Write the proportion equation
1,125,154.19 : 1,687,431.49 = 315,493.99 : x - Step 2: Convert to fraction form
1,125,154.19/1,687,431.49 = 315,493.99/x - Step 3: Cross multiply
1,125,154.19x = 1,687,431.49 × 315,493.99 - Step 4: Simplify right side
1,125,154.19x = 532,374,488,624.43 - Step 5: Solve for x
x = 532,374,488,624.43/1,125,154.19 - Step 6: Final answer
x = 473,156.92
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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.