Home / 1,025,932.05-1,538,977.55-342,821.25

Finding the Fourth Proportional to 1,025,932.05, 1,538,977.55 and 342,821.25

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Solution

The fourth proportional to 1,025,932.05, 1,538,977.55 and 342,821.25 is: 514,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,932.05 : 1,538,977.55 = 342,821.25 : x
  2. Step 2: Convert to fraction form
    1,025,932.05/1,538,977.55 = 342,821.25/x
  3. Step 3: Cross multiply
    1,025,932.05x = 1,538,977.55 × 342,821.25
  4. Step 4: Simplify right side
    1,025,932.05x = 527,594,205,698.83
  5. Step 5: Solve for x
    x = 527,594,205,698.83/1,025,932.05
  6. Step 6: Final answer
    x = 514,258.43

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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.