Home / 1,120.28-1,546.04-622.97

Finding the Fourth Proportional to 1,120.28, 1,546.04 and 622.97

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Solution

The fourth proportional to 1,120.28, 1,546.04 and 622.97 is: 859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.28 : 1,546.04 = 622.97 : x
  2. Step 2: Convert to fraction form
    1,120.28/1,546.04 = 622.97/x
  3. Step 3: Cross multiply
    1,120.28x = 1,546.04 × 622.97
  4. Step 4: Simplify right side
    1,120.28x = 963,125.69
  5. Step 5: Solve for x
    x = 963,125.69/1,120.28
  6. Step 6: Final answer
    x = 859.72

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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.