Home / 1,190.36-1,786.44-574.44

Finding the Fourth Proportional to 1,190.36, 1,786.44 and 574.44

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Solution

The fourth proportional to 1,190.36, 1,786.44 and 574.44 is: 862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.36 : 1,786.44 = 574.44 : x
  2. Step 2: Convert to fraction form
    1,190.36/1,786.44 = 574.44/x
  3. Step 3: Cross multiply
    1,190.36x = 1,786.44 × 574.44
  4. Step 4: Simplify right side
    1,190.36x = 1,026,202.59
  5. Step 5: Solve for x
    x = 1,026,202.59/1,190.36
  6. Step 6: Final answer
    x = 862.09

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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.