Home / 814,847.80-1,222,490.40-726,711.70

Finding the Fourth Proportional to 814,847.80, 1,222,490.40 and 726,711.70

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Solution

The fourth proportional to 814,847.80, 1,222,490.40 and 726,711.70 is: 1,090,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,847.80 : 1,222,490.40 = 726,711.70 : x
  2. Step 2: Convert to fraction form
    814,847.80/1,222,490.40 = 726,711.70/x
  3. Step 3: Cross multiply
    814,847.80x = 1,222,490.40 × 726,711.70
  4. Step 4: Simplify right side
    814,847.80x = 888,398,076,817.68
  5. Step 5: Solve for x
    x = 888,398,076,817.68/814,847.80
  6. Step 6: Final answer
    x = 1,090,262.59

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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.