Home / 979,637.70-1,469,456.55-727,695.30

Finding the Fourth Proportional to 979,637.70, 1,469,456.55 and 727,695.30

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Solution

The fourth proportional to 979,637.70, 1,469,456.55 and 727,695.30 is: 1,091,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,637.70 : 1,469,456.55 = 727,695.30 : x
  2. Step 2: Convert to fraction form
    979,637.70/1,469,456.55 = 727,695.30/x
  3. Step 3: Cross multiply
    979,637.70x = 1,469,456.55 × 727,695.30
  4. Step 4: Simplify right side
    979,637.70x = 1,069,316,624,989.22
  5. Step 5: Solve for x
    x = 1,069,316,624,989.22/979,637.70
  6. Step 6: Final answer
    x = 1,091,542.95

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Similar ratio
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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.