Home / 1,124.50-1,687.41-1,004.22

Finding the Fourth Proportional to 1,124.50, 1,687.41 and 1,004.22

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Solution

The fourth proportional to 1,124.50, 1,687.41 and 1,004.22 is: 1,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.50 : 1,687.41 = 1,004.22 : x
  2. Step 2: Convert to fraction form
    1,124.50/1,687.41 = 1,004.22/x
  3. Step 3: Cross multiply
    1,124.50x = 1,687.41 × 1,004.22
  4. Step 4: Simplify right side
    1,124.50x = 1,694,530.87
  5. Step 5: Solve for x
    x = 1,694,530.87/1,124.50
  6. Step 6: Final answer
    x = 1,506.92

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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.