Home / 1,231,887.62-1,847,835.97-378,953.35

Finding the Fourth Proportional to 1,231,887.62, 1,847,835.97 and 378,953.35

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Solution

The fourth proportional to 1,231,887.62, 1,847,835.97 and 378,953.35 is: 568,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,887.62 : 1,847,835.97 = 378,953.35 : x
  2. Step 2: Convert to fraction form
    1,231,887.62/1,847,835.97 = 378,953.35/x
  3. Step 3: Cross multiply
    1,231,887.62x = 1,847,835.97 × 378,953.35
  4. Step 4: Simplify right side
    1,231,887.62x = 700,243,629,187.23
  5. Step 5: Solve for x
    x = 700,243,629,187.23/1,231,887.62
  6. Step 6: Final answer
    x = 568,431.42

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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.