Finding the Fourth Proportional to 1,307,242.14, 1,804,037.96 and 726,489.75
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Solution
The fourth proportional to 1,307,242.14, 1,804,037.96 and 726,489.75 is: 1,002,580.20
Step by Step Solution
- Step 1: Write the proportion equation
1,307,242.14 : 1,804,037.96 = 726,489.75 : x - Step 2: Convert to fraction form
1,307,242.14/1,804,037.96 = 726,489.75/x - Step 3: Cross multiply
1,307,242.14x = 1,804,037.96 × 726,489.75 - Step 4: Simplify right side
1,307,242.14x = 1,310,615,086,550.91 - Step 5: Solve for x
x = 1,310,615,086,550.91/1,307,242.14 - Step 6: Final answer
x = 1,002,580.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.