Home / 1,297,149.12-1,944,369.54-443,969.46

Finding the Fourth Proportional to 1,297,149.12, 1,944,369.54 and 443,969.46

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Solution

The fourth proportional to 1,297,149.12, 1,944,369.54 and 443,969.46 is: 665,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,149.12 : 1,944,369.54 = 443,969.46 : x
  2. Step 2: Convert to fraction form
    1,297,149.12/1,944,369.54 = 443,969.46/x
  3. Step 3: Cross multiply
    1,297,149.12x = 1,944,369.54 × 443,969.46
  4. Step 4: Simplify right side
    1,297,149.12x = 863,240,694,714.25
  5. Step 5: Solve for x
    x = 863,240,694,714.25/1,297,149.12
  6. Step 6: Final answer
    x = 665,490.71

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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.