Home / 1,998,304.97-2,996,256.96-917,464.95

Finding the Fourth Proportional to 1,998,304.97, 2,996,256.96 and 917,464.95

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Solution

The fourth proportional to 1,998,304.97, 2,996,256.96 and 917,464.95 is: 1,375,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,304.97 : 2,996,256.96 = 917,464.95 : x
  2. Step 2: Convert to fraction form
    1,998,304.97/2,996,256.96 = 917,464.95/x
  3. Step 3: Cross multiply
    1,998,304.97x = 2,996,256.96 × 917,464.95
  4. Step 4: Simplify right side
    1,998,304.97x = 2,748,960,741,993.55
  5. Step 5: Solve for x
    x = 2,748,960,741,993.55/1,998,304.97
  6. Step 6: Final answer
    x = 1,375,646.26

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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.