Home / 1,331,383.80-1,995,909.30-799,116.60

Finding the Fourth Proportional to 1,331,383.80, 1,995,909.30 and 799,116.60

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Solution

The fourth proportional to 1,331,383.80, 1,995,909.30 and 799,116.60 is: 1,197,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,383.80 : 1,995,909.30 = 799,116.60 : x
  2. Step 2: Convert to fraction form
    1,331,383.80/1,995,909.30 = 799,116.60/x
  3. Step 3: Cross multiply
    1,331,383.80x = 1,995,909.30 × 799,116.60
  4. Step 4: Simplify right side
    1,331,383.80x = 1,594,964,253,724.38
  5. Step 5: Solve for x
    x = 1,594,964,253,724.38/1,331,383.80
  6. Step 6: Final answer
    x = 1,197,974.81

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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.