Home / 1,279,859.88-1,919,904.60-333,238.80

Finding the Fourth Proportional to 1,279,859.88, 1,919,904.60 and 333,238.80

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Solution

The fourth proportional to 1,279,859.88, 1,919,904.60 and 333,238.80 is: 499,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,859.88 : 1,919,904.60 = 333,238.80 : x
  2. Step 2: Convert to fraction form
    1,279,859.88/1,919,904.60 = 333,238.80/x
  3. Step 3: Cross multiply
    1,279,859.88x = 1,919,904.60 × 333,238.80
  4. Step 4: Simplify right side
    1,279,859.88x = 639,786,705,018.48
  5. Step 5: Solve for x
    x = 639,786,705,018.48/1,279,859.88
  6. Step 6: Final answer
    x = 499,888.09

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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.