Home / 1,218,743.41-1,681,845.24-674,867.56

Finding the Fourth Proportional to 1,218,743.41, 1,681,845.24 and 674,867.56

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Solution

The fourth proportional to 1,218,743.41, 1,681,845.24 and 674,867.56 is: 931,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,743.41 : 1,681,845.24 = 674,867.56 : x
  2. Step 2: Convert to fraction form
    1,218,743.41/1,681,845.24 = 674,867.56/x
  3. Step 3: Cross multiply
    1,218,743.41x = 1,681,845.24 × 674,867.56
  4. Step 4: Simplify right side
    1,218,743.41x = 1,135,022,793,416.41
  5. Step 5: Solve for x
    x = 1,135,022,793,416.41/1,218,743.41
  6. Step 6: Final answer
    x = 931,305.79

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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.