Home / 957,250.80-1,435,876.20-780,103.80

Finding the Fourth Proportional to 957,250.80, 1,435,876.20 and 780,103.80

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Solution

The fourth proportional to 957,250.80, 1,435,876.20 and 780,103.80 is: 1,170,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,250.80 : 1,435,876.20 = 780,103.80 : x
  2. Step 2: Convert to fraction form
    957,250.80/1,435,876.20 = 780,103.80/x
  3. Step 3: Cross multiply
    957,250.80x = 1,435,876.20 × 780,103.80
  4. Step 4: Simplify right side
    957,250.80x = 1,120,132,479,949.56
  5. Step 5: Solve for x
    x = 1,120,132,479,949.56/957,250.80
  6. Step 6: Final answer
    x = 1,170,155.70

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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.