Home / 1,194.24-1,780.69-1,191.90

Finding the Fourth Proportional to 1,194.24, 1,780.69 and 1,191.90

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Solution

The fourth proportional to 1,194.24, 1,780.69 and 1,191.90 is: 1,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.24 : 1,780.69 = 1,191.90 : x
  2. Step 2: Convert to fraction form
    1,194.24/1,780.69 = 1,191.90/x
  3. Step 3: Cross multiply
    1,194.24x = 1,780.69 × 1,191.90
  4. Step 4: Simplify right side
    1,194.24x = 2,122,401.43
  5. Step 5: Solve for x
    x = 2,122,401.43/1,194.24
  6. Step 6: Final answer
    x = 1,777.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.