Finding the Fourth Proportional to 1,437,134.68, 2,156,168.58 and 689,239
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Solution
The fourth proportional to 1,437,134.68, 2,156,168.58 and 689,239 is: 1,034,082.26
Step by Step Solution
- Step 1: Write the proportion equation
1,437,134.68 : 2,156,168.58 = 689,239 : x - Step 2: Convert to fraction form
1,437,134.68/2,156,168.58 = 689,239/x - Step 3: Cross multiply
1,437,134.68x = 2,156,168.58 × 689,239 - Step 4: Simplify right side
1,437,134.68x = 1,486,115,475,910.62 - Step 5: Solve for x
x = 1,486,115,475,910.62/1,437,134.68 - Step 6: Final answer
x = 1,034,082.26
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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.