Home / 1,173.27-1,619.10-675.90

Finding the Fourth Proportional to 1,173.27, 1,619.10 and 675.90

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Solution

The fourth proportional to 1,173.27, 1,619.10 and 675.90 is: 932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.27 : 1,619.10 = 675.90 : x
  2. Step 2: Convert to fraction form
    1,173.27/1,619.10 = 675.90/x
  3. Step 3: Cross multiply
    1,173.27x = 1,619.10 × 675.90
  4. Step 4: Simplify right side
    1,173.27x = 1,094,349.69
  5. Step 5: Solve for x
    x = 1,094,349.69/1,173.27
  6. Step 6: Final answer
    x = 932.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.