Home / 1,279,926.54-1,920,000.06-333,298.98

Finding the Fourth Proportional to 1,279,926.54, 1,920,000.06 and 333,298.98

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Solution

The fourth proportional to 1,279,926.54, 1,920,000.06 and 333,298.98 is: 499,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,926.54 : 1,920,000.06 = 333,298.98 : x
  2. Step 2: Convert to fraction form
    1,279,926.54/1,920,000.06 = 333,298.98/x
  3. Step 3: Cross multiply
    1,279,926.54x = 1,920,000.06 × 333,298.98
  4. Step 4: Simplify right side
    1,279,926.54x = 639,934,061,597.94
  5. Step 5: Solve for x
    x = 639,934,061,597.94/1,279,926.54
  6. Step 6: Final answer
    x = 499,977.18

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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.