Home / 1,120.35-1,546.13-616.23

Finding the Fourth Proportional to 1,120.35, 1,546.13 and 616.23

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Solution

The fourth proportional to 1,120.35, 1,546.13 and 616.23 is: 850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.35 : 1,546.13 = 616.23 : x
  2. Step 2: Convert to fraction form
    1,120.35/1,546.13 = 616.23/x
  3. Step 3: Cross multiply
    1,120.35x = 1,546.13 × 616.23
  4. Step 4: Simplify right side
    1,120.35x = 952,767.18
  5. Step 5: Solve for x
    x = 952,767.18/1,120.35
  6. Step 6: Final answer
    x = 850.42

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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.