Home / 1,805,654.82-2,708,836.24-668,425.74

Finding the Fourth Proportional to 1,805,654.82, 2,708,836.24 and 668,425.74

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Solution

The fourth proportional to 1,805,654.82, 2,708,836.24 and 668,425.74 is: 1,002,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,654.82 : 2,708,836.24 = 668,425.74 : x
  2. Step 2: Convert to fraction form
    1,805,654.82/2,708,836.24 = 668,425.74/x
  3. Step 3: Cross multiply
    1,805,654.82x = 2,708,836.24 × 668,425.74
  4. Step 4: Simplify right side
    1,805,654.82x = 1,810,655,868,260.82
  5. Step 5: Solve for x
    x = 1,810,655,868,260.82/1,805,654.82
  6. Step 6: Final answer
    x = 1,002,769.66

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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.