Home / 775,879.80-1,161,195.30-681,401.40

Finding the Fourth Proportional to 775,879.80, 1,161,195.30 and 681,401.40

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Solution

The fourth proportional to 775,879.80, 1,161,195.30 and 681,401.40 is: 1,019,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,879.80 : 1,161,195.30 = 681,401.40 : x
  2. Step 2: Convert to fraction form
    775,879.80/1,161,195.30 = 681,401.40/x
  3. Step 3: Cross multiply
    775,879.80x = 1,161,195.30 × 681,401.40
  4. Step 4: Simplify right side
    775,879.80x = 791,240,103,093.42
  5. Step 5: Solve for x
    x = 791,240,103,093.42/775,879.80
  6. Step 6: Final answer
    x = 1,019,797.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.