Home / 1,192.36-1,786.10-574.20

Finding the Fourth Proportional to 1,192.36, 1,786.10 and 574.20

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Solution

The fourth proportional to 1,192.36, 1,786.10 and 574.20 is: 860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.36 : 1,786.10 = 574.20 : x
  2. Step 2: Convert to fraction form
    1,192.36/1,786.10 = 574.20/x
  3. Step 3: Cross multiply
    1,192.36x = 1,786.10 × 574.20
  4. Step 4: Simplify right side
    1,192.36x = 1,025,578.62
  5. Step 5: Solve for x
    x = 1,025,578.62/1,192.36
  6. Step 6: Final answer
    x = 860.12

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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.