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Finding the Fourth Proportional to 1,194.44, 1,787.46 and 732.08

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Solution

The fourth proportional to 1,194.44, 1,787.46 and 732.08 is: 1,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.44 : 1,787.46 = 732.08 : x
  2. Step 2: Convert to fraction form
    1,194.44/1,787.46 = 732.08/x
  3. Step 3: Cross multiply
    1,194.44x = 1,787.46 × 732.08
  4. Step 4: Simplify right side
    1,194.44x = 1,308,563.72
  5. Step 5: Solve for x
    x = 1,308,563.72/1,194.44
  6. Step 6: Final answer
    x = 1,095.55

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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.