Home / 1,337,982.78-1,846,417.20-726,135.39

Finding the Fourth Proportional to 1,337,982.78, 1,846,417.20 and 726,135.39

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Solution

The fourth proportional to 1,337,982.78, 1,846,417.20 and 726,135.39 is: 1,002,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,982.78 : 1,846,417.20 = 726,135.39 : x
  2. Step 2: Convert to fraction form
    1,337,982.78/1,846,417.20 = 726,135.39/x
  3. Step 3: Cross multiply
    1,337,982.78x = 1,846,417.20 × 726,135.39
  4. Step 4: Simplify right side
    1,337,982.78x = 1,340,748,873,624.71
  5. Step 5: Solve for x
    x = 1,340,748,873,624.71/1,337,982.78
  6. Step 6: Final answer
    x = 1,002,067.36

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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.