Home / 1,422,604.62-2,134,226.78-749,003.15

Finding the Fourth Proportional to 1,422,604.62, 2,134,226.78 and 749,003.15

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Solution

The fourth proportional to 1,422,604.62, 2,134,226.78 and 749,003.15 is: 1,123,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,604.62 : 2,134,226.78 = 749,003.15 : x
  2. Step 2: Convert to fraction form
    1,422,604.62/2,134,226.78 = 749,003.15/x
  3. Step 3: Cross multiply
    1,422,604.62x = 2,134,226.78 × 749,003.15
  4. Step 4: Simplify right side
    1,422,604.62x = 1,598,542,585,433.67
  5. Step 5: Solve for x
    x = 1,598,542,585,433.67/1,422,604.62
  6. Step 6: Final answer
    x = 1,123,673.13

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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.