Home / 1,723,945.52-2,379,044.77-999,213.61

Finding the Fourth Proportional to 1,723,945.52, 2,379,044.77 and 999,213.61

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Solution

The fourth proportional to 1,723,945.52, 2,379,044.77 and 999,213.61 is: 1,378,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,945.52 : 2,379,044.77 = 999,213.61 : x
  2. Step 2: Convert to fraction form
    1,723,945.52/2,379,044.77 = 999,213.61/x
  3. Step 3: Cross multiply
    1,723,945.52x = 2,379,044.77 × 999,213.61
  4. Step 4: Simplify right side
    1,723,945.52x = 2,377,173,912,983.32
  5. Step 5: Solve for x
    x = 2,377,173,912,983.32/1,723,945.52
  6. Step 6: Final answer
    x = 1,378,914.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.