Home / 792,126.80-1,188,190.20-392,829.20

Finding the Fourth Proportional to 792,126.80, 1,188,190.20 and 392,829.20

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Solution

The fourth proportional to 792,126.80, 1,188,190.20 and 392,829.20 is: 589,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,126.80 : 1,188,190.20 = 392,829.20 : x
  2. Step 2: Convert to fraction form
    792,126.80/1,188,190.20 = 392,829.20/x
  3. Step 3: Cross multiply
    792,126.80x = 1,188,190.20 × 392,829.20
  4. Step 4: Simplify right side
    792,126.80x = 466,755,805,713.84
  5. Step 5: Solve for x
    x = 466,755,805,713.84/792,126.80
  6. Step 6: Final answer
    x = 589,243.80

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1.5x scale

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.