Home / 1,025.24-1,414.80-605.60

Finding the Fourth Proportional to 1,025.24, 1,414.80 and 605.60

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Solution

The fourth proportional to 1,025.24, 1,414.80 and 605.60 is: 835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.24 : 1,414.80 = 605.60 : x
  2. Step 2: Convert to fraction form
    1,025.24/1,414.80 = 605.60/x
  3. Step 3: Cross multiply
    1,025.24x = 1,414.80 × 605.60
  4. Step 4: Simplify right side
    1,025.24x = 856,802.88
  5. Step 5: Solve for x
    x = 856,802.88/1,025.24
  6. Step 6: Final answer
    x = 835.71

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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.