Home / 1,069.18-1,604.26-581.64

Finding the Fourth Proportional to 1,069.18, 1,604.26 and 581.64

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Solution

The fourth proportional to 1,069.18, 1,604.26 and 581.64 is: 872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.18 : 1,604.26 = 581.64 : x
  2. Step 2: Convert to fraction form
    1,069.18/1,604.26 = 581.64/x
  3. Step 3: Cross multiply
    1,069.18x = 1,604.26 × 581.64
  4. Step 4: Simplify right side
    1,069.18x = 933,101.79
  5. Step 5: Solve for x
    x = 933,101.79/1,069.18
  6. Step 6: Final answer
    x = 872.73

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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.