Home / 1,304,531.20-1,799,489.28-820,330.24

Finding the Fourth Proportional to 1,304,531.20, 1,799,489.28 and 820,330.24

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Solution

The fourth proportional to 1,304,531.20, 1,799,489.28 and 820,330.24 is: 1,131,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,531.20 : 1,799,489.28 = 820,330.24 : x
  2. Step 2: Convert to fraction form
    1,304,531.20/1,799,489.28 = 820,330.24/x
  3. Step 3: Cross multiply
    1,304,531.20x = 1,799,489.28 × 820,330.24
  4. Step 4: Simplify right side
    1,304,531.20x = 1,476,175,472,939.83
  5. Step 5: Solve for x
    x = 1,476,175,472,939.83/1,304,531.20
  6. Step 6: Final answer
    x = 1,131,575.44

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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.