Home / 822,081.20-1,231,372.20-682,113.20

Finding the Fourth Proportional to 822,081.20, 1,231,372.20 and 682,113.20

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Solution

The fourth proportional to 822,081.20, 1,231,372.20 and 682,113.20 is: 1,021,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,081.20 : 1,231,372.20 = 682,113.20 : x
  2. Step 2: Convert to fraction form
    822,081.20/1,231,372.20 = 682,113.20/x
  3. Step 3: Cross multiply
    822,081.20x = 1,231,372.20 × 682,113.20
  4. Step 4: Simplify right side
    822,081.20x = 839,935,231,733.04
  5. Step 5: Solve for x
    x = 839,935,231,733.04/822,081.20
  6. Step 6: Final answer
    x = 1,021,718.09

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1.5x scale

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.