Home / 1,231,852.46-1,847,782.97-378,918.32

Finding the Fourth Proportional to 1,231,852.46, 1,847,782.97 and 378,918.32

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Solution

The fourth proportional to 1,231,852.46, 1,847,782.97 and 378,918.32 is: 568,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,852.46 : 1,847,782.97 = 378,918.32 : x
  2. Step 2: Convert to fraction form
    1,231,852.46/1,847,782.97 = 378,918.32/x
  3. Step 3: Cross multiply
    1,231,852.46x = 1,847,782.97 × 378,918.32
  4. Step 4: Simplify right side
    1,231,852.46x = 700,158,815,044.85
  5. Step 5: Solve for x
    x = 700,158,815,044.85/1,231,852.46
  6. Step 6: Final answer
    x = 568,378.79

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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.