Home / 1,269,926.71-1,752,500.05-726,073.89

Finding the Fourth Proportional to 1,269,926.71, 1,752,500.05 and 726,073.89

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Solution

The fourth proportional to 1,269,926.71, 1,752,500.05 and 726,073.89 is: 1,001,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,926.71 : 1,752,500.05 = 726,073.89 : x
  2. Step 2: Convert to fraction form
    1,269,926.71/1,752,500.05 = 726,073.89/x
  3. Step 3: Cross multiply
    1,269,926.71x = 1,752,500.05 × 726,073.89
  4. Step 4: Simplify right side
    1,269,926.71x = 1,272,444,516,135.82
  5. Step 5: Solve for x
    x = 1,272,444,516,135.82/1,269,926.71
  6. Step 6: Final answer
    x = 1,001,982.64

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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.