Finding the Fourth Proportional to 1,253,027.07, 1,729,158.84 and 709,265.97
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Solution
The fourth proportional to 1,253,027.07, 1,729,158.84 and 709,265.97 is: 978,776.56
Step by Step Solution
- Step 1: Write the proportion equation
1,253,027.07 : 1,729,158.84 = 709,265.97 : x - Step 2: Convert to fraction form
1,253,027.07/1,729,158.84 = 709,265.97/x - Step 3: Cross multiply
1,253,027.07x = 1,729,158.84 × 709,265.97 - Step 4: Simplify right side
1,253,027.07x = 1,226,433,521,936.67 - Step 5: Solve for x
x = 1,226,433,521,936.67/1,253,027.07 - Step 6: Final answer
x = 978,776.56
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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.