Finding the Fourth Proportional to 1,241,330.46, 1,862,812.17 and 680,758.62
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Solution
The fourth proportional to 1,241,330.46, 1,862,812.17 and 680,758.62 is: 1,021,585.70
Step by Step Solution
- Step 1: Write the proportion equation
1,241,330.46 : 1,862,812.17 = 680,758.62 : x - Step 2: Convert to fraction form
1,241,330.46/1,862,812.17 = 680,758.62/x - Step 3: Cross multiply
1,241,330.46x = 1,862,812.17 × 680,758.62 - Step 4: Simplify right side
1,241,330.46x = 1,268,125,442,168.41 - Step 5: Solve for x
x = 1,268,125,442,168.41/1,241,330.46 - Step 6: Final answer
x = 1,021,585.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.