Home / 1,064.20-1,595.76-544.12

Finding the Fourth Proportional to 1,064.20, 1,595.76 and 544.12

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Solution

The fourth proportional to 1,064.20, 1,595.76 and 544.12 is: 815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.20 : 1,595.76 = 544.12 : x
  2. Step 2: Convert to fraction form
    1,064.20/1,595.76 = 544.12/x
  3. Step 3: Cross multiply
    1,064.20x = 1,595.76 × 544.12
  4. Step 4: Simplify right side
    1,064.20x = 868,284.93
  5. Step 5: Solve for x
    x = 868,284.93/1,064.20
  6. Step 6: Final answer
    x = 815.90

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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.