Home / 1,179.44-1,626.40-1,014.20

Finding the Fourth Proportional to 1,179.44, 1,626.40 and 1,014.20

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Solution

The fourth proportional to 1,179.44, 1,626.40 and 1,014.20 is: 1,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.44 : 1,626.40 = 1,014.20 : x
  2. Step 2: Convert to fraction form
    1,179.44/1,626.40 = 1,014.20/x
  3. Step 3: Cross multiply
    1,179.44x = 1,626.40 × 1,014.20
  4. Step 4: Simplify right side
    1,179.44x = 1,649,494.88
  5. Step 5: Solve for x
    x = 1,649,494.88/1,179.44
  6. Step 6: Final answer
    x = 1,398.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.