Finding the Fourth Proportional to 1,253,308.97, 1,729,571.58 and 709,549.70
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Solution
The fourth proportional to 1,253,308.97, 1,729,571.58 and 709,549.70 is: 979,181.52
Step by Step Solution
- Step 1: Write the proportion equation
1,253,308.97 : 1,729,571.58 = 709,549.70 : x - Step 2: Convert to fraction form
1,253,308.97/1,729,571.58 = 709,549.70/x - Step 3: Cross multiply
1,253,308.97x = 1,729,571.58 × 709,549.70 - Step 4: Simplify right side
1,253,308.97x = 1,227,216,983,521.92 - Step 5: Solve for x
x = 1,227,216,983,521.92/1,253,308.97 - Step 6: Final answer
x = 979,181.52
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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.