Home / 1,024,789.38-1,538,121.60-519,699

Finding the Fourth Proportional to 1,024,789.38, 1,538,121.60 and 519,699

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Solution

The fourth proportional to 1,024,789.38, 1,538,121.60 and 519,699 is: 780,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,789.38 : 1,538,121.60 = 519,699 : x
  2. Step 2: Convert to fraction form
    1,024,789.38/1,538,121.60 = 519,699/x
  3. Step 3: Cross multiply
    1,024,789.38x = 1,538,121.60 × 519,699
  4. Step 4: Simplify right side
    1,024,789.38x = 799,360,257,398.40
  5. Step 5: Solve for x
    x = 799,360,257,398.40/1,024,789.38
  6. Step 6: Final answer
    x = 780,023.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.