Home / 1,383,176.40-2,074,764.60-931,451.55

Finding the Fourth Proportional to 1,383,176.40, 2,074,764.60 and 931,451.55

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Solution

The fourth proportional to 1,383,176.40, 2,074,764.60 and 931,451.55 is: 1,397,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,176.40 : 2,074,764.60 = 931,451.55 : x
  2. Step 2: Convert to fraction form
    1,383,176.40/2,074,764.60 = 931,451.55/x
  3. Step 3: Cross multiply
    1,383,176.40x = 2,074,764.60 × 931,451.55
  4. Step 4: Simplify right side
    1,383,176.40x = 1,932,542,702,555.13
  5. Step 5: Solve for x
    x = 1,932,542,702,555.13/1,383,176.40
  6. Step 6: Final answer
    x = 1,397,177.33

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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.