Home / 1,040.11-1,559.44-526.75

Finding the Fourth Proportional to 1,040.11, 1,559.44 and 526.75

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Solution

The fourth proportional to 1,040.11, 1,559.44 and 526.75 is: 789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.11 : 1,559.44 = 526.75 : x
  2. Step 2: Convert to fraction form
    1,040.11/1,559.44 = 526.75/x
  3. Step 3: Cross multiply
    1,040.11x = 1,559.44 × 526.75
  4. Step 4: Simplify right side
    1,040.11x = 821,435.02
  5. Step 5: Solve for x
    x = 821,435.02/1,040.11
  6. Step 6: Final answer
    x = 789.76

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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.