Home / 3,131,714.50-4,697,574.33-857,257.73

Finding the Fourth Proportional to 3,131,714.50, 4,697,574.33 and 857,257.73

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Solution

The fourth proportional to 3,131,714.50, 4,697,574.33 and 857,257.73 is: 1,285,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,714.50 : 4,697,574.33 = 857,257.73 : x
  2. Step 2: Convert to fraction form
    3,131,714.50/4,697,574.33 = 857,257.73/x
  3. Step 3: Cross multiply
    3,131,714.50x = 4,697,574.33 × 857,257.73
  4. Step 4: Simplify right side
    3,131,714.50x = 4,027,031,906,642.07
  5. Step 5: Solve for x
    x = 4,027,031,906,642.07/3,131,714.50
  6. Step 6: Final answer
    x = 1,285,887.30

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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.