Home / 1,195.11-1,792.35-804.89

Finding the Fourth Proportional to 1,195.11, 1,792.35 and 804.89

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Solution

The fourth proportional to 1,195.11, 1,792.35 and 804.89 is: 1,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.11 : 1,792.35 = 804.89 : x
  2. Step 2: Convert to fraction form
    1,195.11/1,792.35 = 804.89/x
  3. Step 3: Cross multiply
    1,195.11x = 1,792.35 × 804.89
  4. Step 4: Simplify right side
    1,195.11x = 1,442,635.63
  5. Step 5: Solve for x
    x = 1,442,635.63/1,195.11
  6. Step 6: Final answer
    x = 1,207.12

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1.5x scale

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.