Home / 1,269,213.26-1,751,504.09-688,434.91

Finding the Fourth Proportional to 1,269,213.26, 1,751,504.09 and 688,434.91

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Solution

The fourth proportional to 1,269,213.26, 1,751,504.09 and 688,434.91 is: 950,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,213.26 : 1,751,504.09 = 688,434.91 : x
  2. Step 2: Convert to fraction form
    1,269,213.26/1,751,504.09 = 688,434.91/x
  3. Step 3: Cross multiply
    1,269,213.26x = 1,751,504.09 × 688,434.91
  4. Step 4: Simplify right side
    1,269,213.26x = 1,205,796,561,982.65
  5. Step 5: Solve for x
    x = 1,205,796,561,982.65/1,269,213.26
  6. Step 6: Final answer
    x = 950,034.64

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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.