Home / 1,008,640.20-1,511,631.90-741,145.80

Finding the Fourth Proportional to 1,008,640.20, 1,511,631.90 and 741,145.80

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Solution

The fourth proportional to 1,008,640.20, 1,511,631.90 and 741,145.80 is: 1,110,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,640.20 : 1,511,631.90 = 741,145.80 : x
  2. Step 2: Convert to fraction form
    1,008,640.20/1,511,631.90 = 741,145.80/x
  3. Step 3: Cross multiply
    1,008,640.20x = 1,511,631.90 × 741,145.80
  4. Step 4: Simplify right side
    1,008,640.20x = 1,120,339,633,831.02
  5. Step 5: Solve for x
    x = 1,120,339,633,831.02/1,008,640.20
  6. Step 6: Final answer
    x = 1,110,742.60

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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.