Home / 1,120.44-1,546.12-623.04

Finding the Fourth Proportional to 1,120.44, 1,546.12 and 623.04

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Solution

The fourth proportional to 1,120.44, 1,546.12 and 623.04 is: 859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.44 : 1,546.12 = 623.04 : x
  2. Step 2: Convert to fraction form
    1,120.44/1,546.12 = 623.04/x
  3. Step 3: Cross multiply
    1,120.44x = 1,546.12 × 623.04
  4. Step 4: Simplify right side
    1,120.44x = 963,294.60
  5. Step 5: Solve for x
    x = 963,294.60/1,120.44
  6. Step 6: Final answer
    x = 859.75

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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.