Home / 1,072,310.72-1,479,418.86-685,352.65

Finding the Fourth Proportional to 1,072,310.72, 1,479,418.86 and 685,352.65

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Solution

The fourth proportional to 1,072,310.72, 1,479,418.86 and 685,352.65 is: 945,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,310.72 : 1,479,418.86 = 685,352.65 : x
  2. Step 2: Convert to fraction form
    1,072,310.72/1,479,418.86 = 685,352.65/x
  3. Step 3: Cross multiply
    1,072,310.72x = 1,479,418.86 × 685,352.65
  4. Step 4: Simplify right side
    1,072,310.72x = 1,013,923,629,035.67
  5. Step 5: Solve for x
    x = 1,013,923,629,035.67/1,072,310.72
  6. Step 6: Final answer
    x = 945,550.22

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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.