Home / 1,190.76-1,789.50-704.04

Finding the Fourth Proportional to 1,190.76, 1,789.50 and 704.04

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Solution

The fourth proportional to 1,190.76, 1,789.50 and 704.04 is: 1,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.76 : 1,789.50 = 704.04 : x
  2. Step 2: Convert to fraction form
    1,190.76/1,789.50 = 704.04/x
  3. Step 3: Cross multiply
    1,190.76x = 1,789.50 × 704.04
  4. Step 4: Simplify right side
    1,190.76x = 1,259,879.58
  5. Step 5: Solve for x
    x = 1,259,879.58/1,190.76
  6. Step 6: Final answer
    x = 1,058.05

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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.