Home / 1,723,945.28-2,379,044.47-999,213.37

Finding the Fourth Proportional to 1,723,945.28, 2,379,044.47 and 999,213.37

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Solution

The fourth proportional to 1,723,945.28, 2,379,044.47 and 999,213.37 is: 1,378,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,945.28 : 2,379,044.47 = 999,213.37 : x
  2. Step 2: Convert to fraction form
    1,723,945.28/2,379,044.47 = 999,213.37/x
  3. Step 3: Cross multiply
    1,723,945.28x = 2,379,044.47 × 999,213.37
  4. Step 4: Simplify right side
    1,723,945.28x = 2,377,173,035,676.44
  5. Step 5: Solve for x
    x = 2,377,173,035,676.44/1,723,945.28
  6. Step 6: Final answer
    x = 1,378,914.44

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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.