Home / 1,192.95-1,787.58-499.05

Finding the Fourth Proportional to 1,192.95, 1,787.58 and 499.05

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Solution

The fourth proportional to 1,192.95, 1,787.58 and 499.05 is: 747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.95 : 1,787.58 = 499.05 : x
  2. Step 2: Convert to fraction form
    1,192.95/1,787.58 = 499.05/x
  3. Step 3: Cross multiply
    1,192.95x = 1,787.58 × 499.05
  4. Step 4: Simplify right side
    1,192.95x = 892,091.80
  5. Step 5: Solve for x
    x = 892,091.80/1,192.95
  6. Step 6: Final answer
    x = 747.80

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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.