Home / 1,284,697.20-1,925,044.20-485,542.80

Finding the Fourth Proportional to 1,284,697.20, 1,925,044.20 and 485,542.80

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Solution

The fourth proportional to 1,284,697.20, 1,925,044.20 and 485,542.80 is: 727,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,697.20 : 1,925,044.20 = 485,542.80 : x
  2. Step 2: Convert to fraction form
    1,284,697.20/1,925,044.20 = 485,542.80/x
  3. Step 3: Cross multiply
    1,284,697.20x = 1,925,044.20 × 485,542.80
  4. Step 4: Simplify right side
    1,284,697.20x = 934,691,350,991.76
  5. Step 5: Solve for x
    x = 934,691,350,991.76/1,284,697.20
  6. Step 6: Final answer
    x = 727,557.71

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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.