Finding the Fourth Proportional to 1,109,869.18, 1,665,013.68 and 351,901.42
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Solution
The fourth proportional to 1,109,869.18, 1,665,013.68 and 351,901.42 is: 527,918.69
Step by Step Solution
- Step 1: Write the proportion equation
1,109,869.18 : 1,665,013.68 = 351,901.42 : x - Step 2: Convert to fraction form
1,109,869.18/1,665,013.68 = 351,901.42/x - Step 3: Cross multiply
1,109,869.18x = 1,665,013.68 × 351,901.42 - Step 4: Simplify right side
1,109,869.18x = 585,920,678,311.43 - Step 5: Solve for x
x = 585,920,678,311.43/1,109,869.18 - Step 6: Final answer
x = 527,918.69
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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.