Home / 1,231,787.38-1,848,342.80-512,624.90

Finding the Fourth Proportional to 1,231,787.38, 1,848,342.80 and 512,624.90

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Solution

The fourth proportional to 1,231,787.38, 1,848,342.80 and 512,624.90 is: 769,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,787.38 : 1,848,342.80 = 512,624.90 : x
  2. Step 2: Convert to fraction form
    1,231,787.38/1,848,342.80 = 512,624.90/x
  3. Step 3: Cross multiply
    1,231,787.38x = 1,848,342.80 × 512,624.90
  4. Step 4: Simplify right side
    1,231,787.38x = 947,506,535,055.57
  5. Step 5: Solve for x
    x = 947,506,535,055.57/1,231,787.38
  6. Step 6: Final answer
    x = 769,212.73

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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.