Home / 1,383,434.94-2,061,399.78-1,232,515.54

Finding the Fourth Proportional to 1,383,434.94, 2,061,399.78 and 1,232,515.54

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Solution

The fourth proportional to 1,383,434.94, 2,061,399.78 and 1,232,515.54 is: 1,836,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,434.94 : 2,061,399.78 = 1,232,515.54 : x
  2. Step 2: Convert to fraction form
    1,383,434.94/2,061,399.78 = 1,232,515.54/x
  3. Step 3: Cross multiply
    1,383,434.94x = 2,061,399.78 × 1,232,515.54
  4. Step 4: Simplify right side
    1,383,434.94x = 2,540,707,265,579.33
  5. Step 5: Solve for x
    x = 2,540,707,265,579.33/1,383,434.94
  6. Step 6: Final answer
    x = 1,836,520.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.