Finding the Fourth Proportional to 1,276,672.20, 1,761,754.62 and 695,882.55
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Solution
The fourth proportional to 1,276,672.20, 1,761,754.62 and 695,882.55 is: 960,289.02
Step by Step Solution
- Step 1: Write the proportion equation
1,276,672.20 : 1,761,754.62 = 695,882.55 : x - Step 2: Convert to fraction form
1,276,672.20/1,761,754.62 = 695,882.55/x - Step 3: Cross multiply
1,276,672.20x = 1,761,754.62 × 695,882.55 - Step 4: Simplify right side
1,276,672.20x = 1,225,974,288,223.74 - Step 5: Solve for x
x = 1,225,974,288,223.74/1,276,672.20 - Step 6: Final answer
x = 960,289.02
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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.