Home / 1,380,351.20-1,904,391.59-799,257.20

Finding the Fourth Proportional to 1,380,351.20, 1,904,391.59 and 799,257.20

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Solution

The fourth proportional to 1,380,351.20, 1,904,391.59 and 799,257.20 is: 1,102,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,351.20 : 1,904,391.59 = 799,257.20 : x
  2. Step 2: Convert to fraction form
    1,380,351.20/1,904,391.59 = 799,257.20/x
  3. Step 3: Cross multiply
    1,380,351.20x = 1,904,391.59 × 799,257.20
  4. Step 4: Simplify right side
    1,380,351.20x = 1,522,098,676,408.70
  5. Step 5: Solve for x
    x = 1,522,098,676,408.70/1,380,351.20
  6. Step 6: Final answer
    x = 1,102,689.43

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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.