Finding the Fourth Proportional to 1,598,720.10, 2,394,143.55 and 756,287.70
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Solution
The fourth proportional to 1,598,720.10, 2,394,143.55 and 756,287.70 is: 1,132,569.31
Step by Step Solution
- Step 1: Write the proportion equation
1,598,720.10 : 2,394,143.55 = 756,287.70 : x - Step 2: Convert to fraction form
1,598,720.10/2,394,143.55 = 756,287.70/x - Step 3: Cross multiply
1,598,720.10x = 2,394,143.55 × 756,287.70 - Step 4: Simplify right side
1,598,720.10x = 1,810,661,318,899.33 - Step 5: Solve for x
x = 1,810,661,318,899.33/1,598,720.10 - Step 6: Final answer
x = 1,132,569.31
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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.