Home / 1,815,487.70-2,723,231.55-485,791.70

Finding the Fourth Proportional to 1,815,487.70, 2,723,231.55 and 485,791.70

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Solution

The fourth proportional to 1,815,487.70, 2,723,231.55 and 485,791.70 is: 728,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,487.70 : 2,723,231.55 = 485,791.70 : x
  2. Step 2: Convert to fraction form
    1,815,487.70/2,723,231.55 = 485,791.70/x
  3. Step 3: Cross multiply
    1,815,487.70x = 2,723,231.55 × 485,791.70
  4. Step 4: Simplify right side
    1,815,487.70x = 1,322,923,284,168.14
  5. Step 5: Solve for x
    x = 1,322,923,284,168.14/1,815,487.70
  6. Step 6: Final answer
    x = 728,687.55

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Double scale
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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.