Home / 1,226,834.82-1,694,449.08-818,226.72

Finding the Fourth Proportional to 1,226,834.82, 1,694,449.08 and 818,226.72

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Solution

The fourth proportional to 1,226,834.82, 1,694,449.08 and 818,226.72 is: 1,130,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,834.82 : 1,694,449.08 = 818,226.72 : x
  2. Step 2: Convert to fraction form
    1,226,834.82/1,694,449.08 = 818,226.72/x
  3. Step 3: Cross multiply
    1,226,834.82x = 1,694,449.08 × 818,226.72
  4. Step 4: Simplify right side
    1,226,834.82x = 1,386,443,512,935.42
  5. Step 5: Solve for x
    x = 1,386,443,512,935.42/1,226,834.82
  6. Step 6: Final answer
    x = 1,130,097.95

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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.