Home / 1,192.10-1,787.88-606.73

Finding the Fourth Proportional to 1,192.10, 1,787.88 and 606.73

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Solution

The fourth proportional to 1,192.10, 1,787.88 and 606.73 is: 909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.10 : 1,787.88 = 606.73 : x
  2. Step 2: Convert to fraction form
    1,192.10/1,787.88 = 606.73/x
  3. Step 3: Cross multiply
    1,192.10x = 1,787.88 × 606.73
  4. Step 4: Simplify right side
    1,192.10x = 1,084,760.43
  5. Step 5: Solve for x
    x = 1,084,760.43/1,192.10
  6. Step 6: Final answer
    x = 909.96

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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.