Home / 855,759.30-1,281,793.48-805,454.38

Finding the Fourth Proportional to 855,759.30, 1,281,793.48 and 805,454.38

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Solution

The fourth proportional to 855,759.30, 1,281,793.48 and 805,454.38 is: 1,206,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,759.30 : 1,281,793.48 = 805,454.38 : x
  2. Step 2: Convert to fraction form
    855,759.30/1,281,793.48 = 805,454.38/x
  3. Step 3: Cross multiply
    855,759.30x = 1,281,793.48 × 805,454.38
  4. Step 4: Simplify right side
    855,759.30x = 1,032,426,172,721.44
  5. Step 5: Solve for x
    x = 1,032,426,172,721.44/855,759.30
  6. Step 6: Final answer
    x = 1,206,444.58

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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.