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Finding the Fourth Proportional to 1,260.14, 1,882.15 and 1,000.44

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Solution

The fourth proportional to 1,260.14, 1,882.15 and 1,000.44 is: 1,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.14 : 1,882.15 = 1,000.44 : x
  2. Step 2: Convert to fraction form
    1,260.14/1,882.15 = 1,000.44/x
  3. Step 3: Cross multiply
    1,260.14x = 1,882.15 × 1,000.44
  4. Step 4: Simplify right side
    1,260.14x = 1,882,973.14
  5. Step 5: Solve for x
    x = 1,882,973.14/1,260.14
  6. Step 6: Final answer
    x = 1,494.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.