Home / 1,425,344.23-1,966,229.31-881,306.11

Finding the Fourth Proportional to 1,425,344.23, 1,966,229.31 and 881,306.11

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Solution

The fourth proportional to 1,425,344.23, 1,966,229.31 and 881,306.11 is: 1,215,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,344.23 : 1,966,229.31 = 881,306.11 : x
  2. Step 2: Convert to fraction form
    1,425,344.23/1,966,229.31 = 881,306.11/x
  3. Step 3: Cross multiply
    1,425,344.23x = 1,966,229.31 × 881,306.11
  4. Step 4: Simplify right side
    1,425,344.23x = 1,732,849,906,174.76
  5. Step 5: Solve for x
    x = 1,732,849,906,174.76/1,425,344.23
  6. Step 6: Final answer
    x = 1,215,741.34

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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.