Home / 1,218,672.49-1,681,747.46-674,796.57

Finding the Fourth Proportional to 1,218,672.49, 1,681,747.46 and 674,796.57

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Solution

The fourth proportional to 1,218,672.49, 1,681,747.46 and 674,796.57 is: 931,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,672.49 : 1,681,747.46 = 674,796.57 : x
  2. Step 2: Convert to fraction form
    1,218,672.49/1,681,747.46 = 674,796.57/x
  3. Step 3: Cross multiply
    1,218,672.49x = 1,681,747.46 × 674,796.57
  4. Step 4: Simplify right side
    1,218,672.49x = 1,134,837,423,719.72
  5. Step 5: Solve for x
    x = 1,134,837,423,719.72/1,218,672.49
  6. Step 6: Final answer
    x = 931,207.88

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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.