Home / 784,887.60-1,177,331.40-727,150.80

Finding the Fourth Proportional to 784,887.60, 1,177,331.40 and 727,150.80

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Solution

The fourth proportional to 784,887.60, 1,177,331.40 and 727,150.80 is: 1,090,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,887.60 : 1,177,331.40 = 727,150.80 : x
  2. Step 2: Convert to fraction form
    784,887.60/1,177,331.40 = 727,150.80/x
  3. Step 3: Cross multiply
    784,887.60x = 1,177,331.40 × 727,150.80
  4. Step 4: Simplify right side
    784,887.60x = 856,097,469,375.12
  5. Step 5: Solve for x
    x = 856,097,469,375.12/784,887.60
  6. Step 6: Final answer
    x = 1,090,726.20

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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.