Home / 1,330,933.96-1,996,736.91-371,388.76

Finding the Fourth Proportional to 1,330,933.96, 1,996,736.91 and 371,388.76

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Solution

The fourth proportional to 1,330,933.96, 1,996,736.91 and 371,388.76 is: 557,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,933.96 : 1,996,736.91 = 371,388.76 : x
  2. Step 2: Convert to fraction form
    1,330,933.96/1,996,736.91 = 371,388.76/x
  3. Step 3: Cross multiply
    1,330,933.96x = 1,996,736.91 × 371,388.76
  4. Step 4: Simplify right side
    1,330,933.96x = 741,565,635,067.45
  5. Step 5: Solve for x
    x = 741,565,635,067.45/1,330,933.96
  6. Step 6: Final answer
    x = 557,176.88

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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.