Home / 1,040.26-1,559.42-546.56

Finding the Fourth Proportional to 1,040.26, 1,559.42 and 546.56

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Solution

The fourth proportional to 1,040.26, 1,559.42 and 546.56 is: 819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.26 : 1,559.42 = 546.56 : x
  2. Step 2: Convert to fraction form
    1,040.26/1,559.42 = 546.56/x
  3. Step 3: Cross multiply
    1,040.26x = 1,559.42 × 546.56
  4. Step 4: Simplify right side
    1,040.26x = 852,316.60
  5. Step 5: Solve for x
    x = 852,316.60/1,040.26
  6. Step 6: Final answer
    x = 819.33

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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.