Home / 1,188,829.60-1,781,002.38-921,282.27

Finding the Fourth Proportional to 1,188,829.60, 1,781,002.38 and 921,282.27

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Solution

The fourth proportional to 1,188,829.60, 1,781,002.38 and 921,282.27 is: 1,380,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,829.60 : 1,781,002.38 = 921,282.27 : x
  2. Step 2: Convert to fraction form
    1,188,829.60/1,781,002.38 = 921,282.27/x
  3. Step 3: Cross multiply
    1,188,829.60x = 1,781,002.38 × 921,282.27
  4. Step 4: Simplify right side
    1,188,829.60x = 1,640,805,915,521.80
  5. Step 5: Solve for x
    x = 1,640,805,915,521.80/1,188,829.60
  6. Step 6: Final answer
    x = 1,380,185.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.