Home / 1,631,991.29-2,252,103.21-906,820.38

Finding the Fourth Proportional to 1,631,991.29, 2,252,103.21 and 906,820.38

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Solution

The fourth proportional to 1,631,991.29, 2,252,103.21 and 906,820.38 is: 1,251,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,991.29 : 2,252,103.21 = 906,820.38 : x
  2. Step 2: Convert to fraction form
    1,631,991.29/2,252,103.21 = 906,820.38/x
  3. Step 3: Cross multiply
    1,631,991.29x = 2,252,103.21 × 906,820.38
  4. Step 4: Simplify right side
    1,631,991.29x = 2,042,253,088,691.42
  5. Step 5: Solve for x
    x = 2,042,253,088,691.42/1,631,991.29
  6. Step 6: Final answer
    x = 1,251,387.25

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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.