Home / 814,446.20-1,221,669.30-682,570.10

Finding the Fourth Proportional to 814,446.20, 1,221,669.30 and 682,570.10

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Solution

The fourth proportional to 814,446.20, 1,221,669.30 and 682,570.10 is: 1,023,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,446.20 : 1,221,669.30 = 682,570.10 : x
  2. Step 2: Convert to fraction form
    814,446.20/1,221,669.30 = 682,570.10/x
  3. Step 3: Cross multiply
    814,446.20x = 1,221,669.30 × 682,570.10
  4. Step 4: Simplify right side
    814,446.20x = 833,874,936,267.93
  5. Step 5: Solve for x
    x = 833,874,936,267.93/814,446.20
  6. Step 6: Final answer
    x = 1,023,855.15

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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.