Home / 1,124.04-1,682.64-1,013.88

Finding the Fourth Proportional to 1,124.04, 1,682.64 and 1,013.88

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Solution

The fourth proportional to 1,124.04, 1,682.64 and 1,013.88 is: 1,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.04 : 1,682.64 = 1,013.88 : x
  2. Step 2: Convert to fraction form
    1,124.04/1,682.64 = 1,013.88/x
  3. Step 3: Cross multiply
    1,124.04x = 1,682.64 × 1,013.88
  4. Step 4: Simplify right side
    1,124.04x = 1,705,995.04
  5. Step 5: Solve for x
    x = 1,705,995.04/1,124.04
  6. Step 6: Final answer
    x = 1,517.74

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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.