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Finding the Fourth Proportional to 1,080.32, 1,480.03 and 1,041.44

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Solution

The fourth proportional to 1,080.32, 1,480.03 and 1,041.44 is: 1,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.32 : 1,480.03 = 1,041.44 : x
  2. Step 2: Convert to fraction form
    1,080.32/1,480.03 = 1,041.44/x
  3. Step 3: Cross multiply
    1,080.32x = 1,480.03 × 1,041.44
  4. Step 4: Simplify right side
    1,080.32x = 1,541,362.44
  5. Step 5: Solve for x
    x = 1,541,362.44/1,080.32
  6. Step 6: Final answer
    x = 1,426.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.