Home / 1,331,781.36-1,837,439.52-814,996.50

Finding the Fourth Proportional to 1,331,781.36, 1,837,439.52 and 814,996.50

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Solution

The fourth proportional to 1,331,781.36, 1,837,439.52 and 814,996.50 is: 1,124,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,781.36 : 1,837,439.52 = 814,996.50 : x
  2. Step 2: Convert to fraction form
    1,331,781.36/1,837,439.52 = 814,996.50/x
  3. Step 3: Cross multiply
    1,331,781.36x = 1,837,439.52 × 814,996.50
  4. Step 4: Simplify right side
    1,331,781.36x = 1,497,506,777,761.68
  5. Step 5: Solve for x
    x = 1,497,506,777,761.68/1,331,781.36
  6. Step 6: Final answer
    x = 1,124,438.91

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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.