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Finding the Fourth Proportional to 1,258.62, 1,887.60 and 600.09

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Solution

The fourth proportional to 1,258.62, 1,887.60 and 600.09 is: 899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.62 : 1,887.60 = 600.09 : x
  2. Step 2: Convert to fraction form
    1,258.62/1,887.60 = 600.09/x
  3. Step 3: Cross multiply
    1,258.62x = 1,887.60 × 600.09
  4. Step 4: Simplify right side
    1,258.62x = 1,132,729.88
  5. Step 5: Solve for x
    x = 1,132,729.88/1,258.62
  6. Step 6: Final answer
    x = 899.98

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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.