Home / 1,538,265.57-2,122,849.31-849,981.97

Finding the Fourth Proportional to 1,538,265.57, 2,122,849.31 and 849,981.97

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Solution

The fourth proportional to 1,538,265.57, 2,122,849.31 and 849,981.97 is: 1,172,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,265.57 : 2,122,849.31 = 849,981.97 : x
  2. Step 2: Convert to fraction form
    1,538,265.57/2,122,849.31 = 849,981.97/x
  3. Step 3: Cross multiply
    1,538,265.57x = 2,122,849.31 × 849,981.97
  4. Step 4: Simplify right side
    1,538,265.57x = 1,804,383,638,526.94
  5. Step 5: Solve for x
    x = 1,804,383,638,526.94/1,538,265.57
  6. Step 6: Final answer
    x = 1,172,998.78

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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.