Home / 1,080.22-1,621.24-560.54

Finding the Fourth Proportional to 1,080.22, 1,621.24 and 560.54

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Solution

The fourth proportional to 1,080.22, 1,621.24 and 560.54 is: 841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.22 : 1,621.24 = 560.54 : x
  2. Step 2: Convert to fraction form
    1,080.22/1,621.24 = 560.54/x
  3. Step 3: Cross multiply
    1,080.22x = 1,621.24 × 560.54
  4. Step 4: Simplify right side
    1,080.22x = 908,768.54
  5. Step 5: Solve for x
    x = 908,768.54/1,080.22
  6. Step 6: Final answer
    x = 841.28

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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.