Home / 1,042,876.76-1,439,169.92-565,948.76

Finding the Fourth Proportional to 1,042,876.76, 1,439,169.92 and 565,948.76

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Solution

The fourth proportional to 1,042,876.76, 1,439,169.92 and 565,948.76 is: 781,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,876.76 : 1,439,169.92 = 565,948.76 : x
  2. Step 2: Convert to fraction form
    1,042,876.76/1,439,169.92 = 565,948.76/x
  3. Step 3: Cross multiply
    1,042,876.76x = 1,439,169.92 × 565,948.76
  4. Step 4: Simplify right side
    1,042,876.76x = 814,496,431,653.30
  5. Step 5: Solve for x
    x = 814,496,431,653.30/1,042,876.76
  6. Step 6: Final answer
    x = 781,009.28

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Double scale
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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.