Home / 680,857.44-1,021,286.43-679,873.56

Finding the Fourth Proportional to 680,857.44, 1,021,286.43 and 679,873.56

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Solution

The fourth proportional to 680,857.44, 1,021,286.43 and 679,873.56 is: 1,019,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,857.44 : 1,021,286.43 = 679,873.56 : x
  2. Step 2: Convert to fraction form
    680,857.44/1,021,286.43 = 679,873.56/x
  3. Step 3: Cross multiply
    680,857.44x = 1,021,286.43 × 679,873.56
  4. Step 4: Simplify right side
    680,857.44x = 694,345,640,943.79
  5. Step 5: Solve for x
    x = 694,345,640,943.79/680,857.44
  6. Step 6: Final answer
    x = 1,019,810.61

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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.