Home / 1,091,123.80-1,635,908.10-491,594.20

Finding the Fourth Proportional to 1,091,123.80, 1,635,908.10 and 491,594.20

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Solution

The fourth proportional to 1,091,123.80, 1,635,908.10 and 491,594.20 is: 737,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,123.80 : 1,635,908.10 = 491,594.20 : x
  2. Step 2: Convert to fraction form
    1,091,123.80/1,635,908.10 = 491,594.20/x
  3. Step 3: Cross multiply
    1,091,123.80x = 1,635,908.10 × 491,594.20
  4. Step 4: Simplify right side
    1,091,123.80x = 804,202,933,693.02
  5. Step 5: Solve for x
    x = 804,202,933,693.02/1,091,123.80
  6. Step 6: Final answer
    x = 737,040.96

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Double scale
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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.