Home / 1,266,001.30-1,747,081.62-685,224.31

Finding the Fourth Proportional to 1,266,001.30, 1,747,081.62 and 685,224.31

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Solution

The fourth proportional to 1,266,001.30, 1,747,081.62 and 685,224.31 is: 945,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,001.30 : 1,747,081.62 = 685,224.31 : x
  2. Step 2: Convert to fraction form
    1,266,001.30/1,747,081.62 = 685,224.31/x
  3. Step 3: Cross multiply
    1,266,001.30x = 1,747,081.62 × 685,224.31
  4. Step 4: Simplify right side
    1,266,001.30x = 1,197,142,797,578.18
  5. Step 5: Solve for x
    x = 1,197,142,797,578.18/1,266,001.30
  6. Step 6: Final answer
    x = 945,609.45

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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.