Home / 1,120.59-1,546.38-623.24

Finding the Fourth Proportional to 1,120.59, 1,546.38 and 623.24

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Solution

The fourth proportional to 1,120.59, 1,546.38 and 623.24 is: 860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.59 : 1,546.38 = 623.24 : x
  2. Step 2: Convert to fraction form
    1,120.59/1,546.38 = 623.24/x
  3. Step 3: Cross multiply
    1,120.59x = 1,546.38 × 623.24
  4. Step 4: Simplify right side
    1,120.59x = 963,765.87
  5. Step 5: Solve for x
    x = 963,765.87/1,120.59
  6. Step 6: Final answer
    x = 860.05

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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.