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Finding the Fourth Proportional to 1,122.96, 1,682.47 and 601.73

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Solution

The fourth proportional to 1,122.96, 1,682.47 and 601.73 is: 901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.96 : 1,682.47 = 601.73 : x
  2. Step 2: Convert to fraction form
    1,122.96/1,682.47 = 601.73/x
  3. Step 3: Cross multiply
    1,122.96x = 1,682.47 × 601.73
  4. Step 4: Simplify right side
    1,122.96x = 1,012,391.32
  5. Step 5: Solve for x
    x = 1,012,391.32/1,122.96
  6. Step 6: Final answer
    x = 901.54

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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.