Home / 1,266,493.51-1,747,758.37-685,713.79

Finding the Fourth Proportional to 1,266,493.51, 1,747,758.37 and 685,713.79

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Solution

The fourth proportional to 1,266,493.51, 1,747,758.37 and 685,713.79 is: 946,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,493.51 : 1,747,758.37 = 685,713.79 : x
  2. Step 2: Convert to fraction form
    1,266,493.51/1,747,758.37 = 685,713.79/x
  3. Step 3: Cross multiply
    1,266,493.51x = 1,747,758.37 × 685,713.79
  4. Step 4: Simplify right side
    1,266,493.51x = 1,198,462,003,729.56
  5. Step 5: Solve for x
    x = 1,198,462,003,729.56/1,266,493.51
  6. Step 6: Final answer
    x = 946,283.58

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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.