Home / 1,179.24-1,770.78-1,172.52

Finding the Fourth Proportional to 1,179.24, 1,770.78 and 1,172.52

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Solution

The fourth proportional to 1,179.24, 1,770.78 and 1,172.52 is: 1,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.24 : 1,770.78 = 1,172.52 : x
  2. Step 2: Convert to fraction form
    1,179.24/1,770.78 = 1,172.52/x
  3. Step 3: Cross multiply
    1,179.24x = 1,770.78 × 1,172.52
  4. Step 4: Simplify right side
    1,179.24x = 2,076,274.97
  5. Step 5: Solve for x
    x = 2,076,274.97/1,179.24
  6. Step 6: Final answer
    x = 1,760.69

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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.