Home / 1,247,877.20-1,873,044.60-617,502.80

Finding the Fourth Proportional to 1,247,877.20, 1,873,044.60 and 617,502.80

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Solution

The fourth proportional to 1,247,877.20, 1,873,044.60 and 617,502.80 is: 926,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,877.20 : 1,873,044.60 = 617,502.80 : x
  2. Step 2: Convert to fraction form
    1,247,877.20/1,873,044.60 = 617,502.80/x
  3. Step 3: Cross multiply
    1,247,877.20x = 1,873,044.60 × 617,502.80
  4. Step 4: Simplify right side
    1,247,877.20x = 1,156,610,285,024.88
  5. Step 5: Solve for x
    x = 1,156,610,285,024.88/1,247,877.20
  6. Step 6: Final answer
    x = 926,862.26

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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.