Home / 1,268,876.20-1,750,887.76-725,047.24

Finding the Fourth Proportional to 1,268,876.20, 1,750,887.76 and 725,047.24

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Solution

The fourth proportional to 1,268,876.20, 1,750,887.76 and 725,047.24 is: 1,000,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,876.20 : 1,750,887.76 = 725,047.24 : x
  2. Step 2: Convert to fraction form
    1,268,876.20/1,750,887.76 = 725,047.24/x
  3. Step 3: Cross multiply
    1,268,876.20x = 1,750,887.76 × 725,047.24
  4. Step 4: Simplify right side
    1,268,876.20x = 1,269,476,337,937.78
  5. Step 5: Solve for x
    x = 1,269,476,337,937.78/1,268,876.20
  6. Step 6: Final answer
    x = 1,000,472.97

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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.