Home / 1,231,888.37-1,847,837.09-378,954.11

Finding the Fourth Proportional to 1,231,888.37, 1,847,837.09 and 378,954.11

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Solution

The fourth proportional to 1,231,888.37, 1,847,837.09 and 378,954.11 is: 568,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,888.37 : 1,847,837.09 = 378,954.11 : x
  2. Step 2: Convert to fraction form
    1,231,888.37/1,847,837.09 = 378,954.11/x
  3. Step 3: Cross multiply
    1,231,888.37x = 1,847,837.09 × 378,954.11
  4. Step 4: Simplify right side
    1,231,888.37x = 700,245,448,731.98
  5. Step 5: Solve for x
    x = 700,245,448,731.98/1,231,888.37
  6. Step 6: Final answer
    x = 568,432.55

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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.