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Finding the Fourth Proportional to 1,195.41, 1,792.43 and 609.73

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Solution

The fourth proportional to 1,195.41, 1,792.43 and 609.73 is: 914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.41 : 1,792.43 = 609.73 : x
  2. Step 2: Convert to fraction form
    1,195.41/1,792.43 = 609.73/x
  3. Step 3: Cross multiply
    1,195.41x = 1,792.43 × 609.73
  4. Step 4: Simplify right side
    1,195.41x = 1,092,893.10
  5. Step 5: Solve for x
    x = 1,092,893.10/1,195.41
  6. Step 6: Final answer
    x = 914.24

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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.