Home / 1,192.04-1,787.88-461.96

Finding the Fourth Proportional to 1,192.04, 1,787.88 and 461.96

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Solution

The fourth proportional to 1,192.04, 1,787.88 and 461.96 is: 692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.04 : 1,787.88 = 461.96 : x
  2. Step 2: Convert to fraction form
    1,192.04/1,787.88 = 461.96/x
  3. Step 3: Cross multiply
    1,192.04x = 1,787.88 × 461.96
  4. Step 4: Simplify right side
    1,192.04x = 825,929.04
  5. Step 5: Solve for x
    x = 825,929.04/1,192.04
  6. Step 6: Final answer
    x = 692.87

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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.