Home / 1,246.20-1,868.49-597.30

Finding the Fourth Proportional to 1,246.20, 1,868.49 and 597.30

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Solution

The fourth proportional to 1,246.20, 1,868.49 and 597.30 is: 895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.20 : 1,868.49 = 597.30 : x
  2. Step 2: Convert to fraction form
    1,246.20/1,868.49 = 597.30/x
  3. Step 3: Cross multiply
    1,246.20x = 1,868.49 × 597.30
  4. Step 4: Simplify right side
    1,246.20x = 1,116,049.08
  5. Step 5: Solve for x
    x = 1,116,049.08/1,246.20
  6. Step 6: Final answer
    x = 895.56

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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.