Home / 1,176.20-1,764.41-436.01

Finding the Fourth Proportional to 1,176.20, 1,764.41 and 436.01

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Solution

The fourth proportional to 1,176.20, 1,764.41 and 436.01 is: 654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.20 : 1,764.41 = 436.01 : x
  2. Step 2: Convert to fraction form
    1,176.20/1,764.41 = 436.01/x
  3. Step 3: Cross multiply
    1,176.20x = 1,764.41 × 436.01
  4. Step 4: Simplify right side
    1,176.20x = 769,299.29
  5. Step 5: Solve for x
    x = 769,299.29/1,176.20
  6. Step 6: Final answer
    x = 654.06

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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.