Home / 1,279,927.54-1,920,001.56-333,299.98

Finding the Fourth Proportional to 1,279,927.54, 1,920,001.56 and 333,299.98

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Solution

The fourth proportional to 1,279,927.54, 1,920,001.56 and 333,299.98 is: 499,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,927.54 : 1,920,001.56 = 333,299.98 : x
  2. Step 2: Convert to fraction form
    1,279,927.54/1,920,001.56 = 333,299.98/x
  3. Step 3: Cross multiply
    1,279,927.54x = 1,920,001.56 × 333,299.98
  4. Step 4: Simplify right side
    1,279,927.54x = 639,936,481,547.97
  5. Step 5: Solve for x
    x = 639,936,481,547.97/1,279,927.54
  6. Step 6: Final answer
    x = 499,978.68

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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.