Home / 1,381,847.29-2,071,198.62-840,910.51

Finding the Fourth Proportional to 1,381,847.29, 2,071,198.62 and 840,910.51

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Solution

The fourth proportional to 1,381,847.29, 2,071,198.62 and 840,910.51 is: 1,260,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,847.29 : 2,071,198.62 = 840,910.51 : x
  2. Step 2: Convert to fraction form
    1,381,847.29/2,071,198.62 = 840,910.51/x
  3. Step 3: Cross multiply
    1,381,847.29x = 2,071,198.62 × 840,910.51
  4. Step 4: Simplify right side
    1,381,847.29x = 1,741,692,687,855.50
  5. Step 5: Solve for x
    x = 1,741,692,687,855.50/1,381,847.29
  6. Step 6: Final answer
    x = 1,260,408.95

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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.