Home / 1,279,849.59-1,919,889.21-333,228.51

Finding the Fourth Proportional to 1,279,849.59, 1,919,889.21 and 333,228.51

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Solution

The fourth proportional to 1,279,849.59, 1,919,889.21 and 333,228.51 is: 499,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,849.59 : 1,919,889.21 = 333,228.51 : x
  2. Step 2: Convert to fraction form
    1,279,849.59/1,919,889.21 = 333,228.51/x
  3. Step 3: Cross multiply
    1,279,849.59x = 1,919,889.21 × 333,228.51
  4. Step 4: Simplify right side
    1,279,849.59x = 639,761,820,813.38
  5. Step 5: Solve for x
    x = 639,761,820,813.38/1,279,849.59
  6. Step 6: Final answer
    x = 499,872.66

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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.