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Finding the Fourth Proportional to 1,120.58, 1,683.83 and 600.96

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Solution

The fourth proportional to 1,120.58, 1,683.83 and 600.96 is: 903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.58 : 1,683.83 = 600.96 : x
  2. Step 2: Convert to fraction form
    1,120.58/1,683.83 = 600.96/x
  3. Step 3: Cross multiply
    1,120.58x = 1,683.83 × 600.96
  4. Step 4: Simplify right side
    1,120.58x = 1,011,915.98
  5. Step 5: Solve for x
    x = 1,011,915.98/1,120.58
  6. Step 6: Final answer
    x = 903.03

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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.