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Finding the Fourth Proportional to 1,195.86, 1,794.06 and 546.60

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Solution

The fourth proportional to 1,195.86, 1,794.06 and 546.60 is: 820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.86 : 1,794.06 = 546.60 : x
  2. Step 2: Convert to fraction form
    1,195.86/1,794.06 = 546.60/x
  3. Step 3: Cross multiply
    1,195.86x = 1,794.06 × 546.60
  4. Step 4: Simplify right side
    1,195.86x = 980,633.20
  5. Step 5: Solve for x
    x = 980,633.20/1,195.86
  6. Step 6: Final answer
    x = 820.02

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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.