Home / 1,425,344.42-1,966,229.57-881,306.30

Finding the Fourth Proportional to 1,425,344.42, 1,966,229.57 and 881,306.30

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Solution

The fourth proportional to 1,425,344.42, 1,966,229.57 and 881,306.30 is: 1,215,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,344.42 : 1,966,229.57 = 881,306.30 : x
  2. Step 2: Convert to fraction form
    1,425,344.42/1,966,229.57 = 881,306.30/x
  3. Step 3: Cross multiply
    1,425,344.42x = 1,966,229.57 × 881,306.30
  4. Step 4: Simplify right side
    1,425,344.42x = 1,732,850,502,880.76
  5. Step 5: Solve for x
    x = 1,732,850,502,880.76/1,425,344.42
  6. Step 6: Final answer
    x = 1,215,741.60

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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.