Home / 1,131,034.62-1,560,832.83-621,769.80

Finding the Fourth Proportional to 1,131,034.62, 1,560,832.83 and 621,769.80

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Solution

The fourth proportional to 1,131,034.62, 1,560,832.83 and 621,769.80 is: 858,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,034.62 : 1,560,832.83 = 621,769.80 : x
  2. Step 2: Convert to fraction form
    1,131,034.62/1,560,832.83 = 621,769.80/x
  3. Step 3: Cross multiply
    1,131,034.62x = 1,560,832.83 × 621,769.80
  4. Step 4: Simplify right side
    1,131,034.62x = 970,478,716,542.53
  5. Step 5: Solve for x
    x = 970,478,716,542.53/1,131,034.62
  6. Step 6: Final answer
    x = 858,045.10

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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.