Home / 1,035,613.32-1,428,857.61-667,934.88

Finding the Fourth Proportional to 1,035,613.32, 1,428,857.61 and 667,934.88

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Solution

The fourth proportional to 1,035,613.32, 1,428,857.61 and 667,934.88 is: 921,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,613.32 : 1,428,857.61 = 667,934.88 : x
  2. Step 2: Convert to fraction form
    1,035,613.32/1,428,857.61 = 667,934.88/x
  3. Step 3: Cross multiply
    1,035,613.32x = 1,428,857.61 × 667,934.88
  4. Step 4: Simplify right side
    1,035,613.32x = 954,383,836,272.44
  5. Step 5: Solve for x
    x = 954,383,836,272.44/1,035,613.32
  6. Step 6: Final answer
    x = 921,563.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.