Home / 1,381,899.80-2,068,167.90-849,757.88

Finding the Fourth Proportional to 1,381,899.80, 2,068,167.90 and 849,757.88

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Solution

The fourth proportional to 1,381,899.80, 2,068,167.90 and 849,757.88 is: 1,271,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,899.80 : 2,068,167.90 = 849,757.88 : x
  2. Step 2: Convert to fraction form
    1,381,899.80/2,068,167.90 = 849,757.88/x
  3. Step 3: Cross multiply
    1,381,899.80x = 2,068,167.90 × 849,757.88
  4. Step 4: Simplify right side
    1,381,899.80x = 1,757,441,970,188.05
  5. Step 5: Solve for x
    x = 1,757,441,970,188.05/1,381,899.80
  6. Step 6: Final answer
    x = 1,271,757.89

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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.