Home / 1,329,987.74-1,835,380.23-726,375.74

Finding the Fourth Proportional to 1,329,987.74, 1,835,380.23 and 726,375.74

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Solution

The fourth proportional to 1,329,987.74, 1,835,380.23 and 726,375.74 is: 1,002,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,987.74 : 1,835,380.23 = 726,375.74 : x
  2. Step 2: Convert to fraction form
    1,329,987.74/1,835,380.23 = 726,375.74/x
  3. Step 3: Cross multiply
    1,329,987.74x = 1,835,380.23 × 726,375.74
  4. Step 4: Simplify right side
    1,329,987.74x = 1,333,175,672,747.62
  5. Step 5: Solve for x
    x = 1,333,175,672,747.62/1,329,987.74
  6. Step 6: Final answer
    x = 1,002,396.96

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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.