Home / 1,539,687.74-2,309,383.17-474,443.78

Finding the Fourth Proportional to 1,539,687.74, 2,309,383.17 and 474,443.78

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Solution

The fourth proportional to 1,539,687.74, 2,309,383.17 and 474,443.78 is: 711,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,687.74 : 2,309,383.17 = 474,443.78 : x
  2. Step 2: Convert to fraction form
    1,539,687.74/2,309,383.17 = 474,443.78/x
  3. Step 3: Cross multiply
    1,539,687.74x = 2,309,383.17 × 474,443.78
  4. Step 4: Simplify right side
    1,539,687.74x = 1,095,672,469,096.27
  5. Step 5: Solve for x
    x = 1,095,672,469,096.27/1,539,687.74
  6. Step 6: Final answer
    x = 711,619.92

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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.