Home / 1,231,826.44-1,847,778.56-390,385.48

Finding the Fourth Proportional to 1,231,826.44, 1,847,778.56 and 390,385.48

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Solution

The fourth proportional to 1,231,826.44, 1,847,778.56 and 390,385.48 is: 585,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,826.44 : 1,847,778.56 = 390,385.48 : x
  2. Step 2: Convert to fraction form
    1,231,826.44/1,847,778.56 = 390,385.48/x
  3. Step 3: Cross multiply
    1,231,826.44x = 1,847,778.56 × 390,385.48
  4. Step 4: Simplify right side
    1,231,826.44x = 721,345,920,079.31
  5. Step 5: Solve for x
    x = 721,345,920,079.31/1,231,826.44
  6. Step 6: Final answer
    x = 585,590.55

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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.