Home / 1,011,262.02-1,516,306.19-478,778.55

Finding the Fourth Proportional to 1,011,262.02, 1,516,306.19 and 478,778.55

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Solution

The fourth proportional to 1,011,262.02, 1,516,306.19 and 478,778.55 is: 717,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,262.02 : 1,516,306.19 = 478,778.55 : x
  2. Step 2: Convert to fraction form
    1,011,262.02/1,516,306.19 = 478,778.55/x
  3. Step 3: Cross multiply
    1,011,262.02x = 1,516,306.19 × 478,778.55
  4. Step 4: Simplify right side
    1,011,262.02x = 725,974,876,610.33
  5. Step 5: Solve for x
    x = 725,974,876,610.33/1,011,262.02
  6. Step 6: Final answer
    x = 717,889.99

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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.