Home / 1,060.20-1,589.16-443.44

Finding the Fourth Proportional to 1,060.20, 1,589.16 and 443.44

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Solution

The fourth proportional to 1,060.20, 1,589.16 and 443.44 is: 664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.20 : 1,589.16 = 443.44 : x
  2. Step 2: Convert to fraction form
    1,060.20/1,589.16 = 443.44/x
  3. Step 3: Cross multiply
    1,060.20x = 1,589.16 × 443.44
  4. Step 4: Simplify right side
    1,060.20x = 704,697.11
  5. Step 5: Solve for x
    x = 704,697.11/1,060.20
  6. Step 6: Final answer
    x = 664.68

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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.