Home / 1,222,371.26-1,686,979.08-713,237.66

Finding the Fourth Proportional to 1,222,371.26, 1,686,979.08 and 713,237.66

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Solution

The fourth proportional to 1,222,371.26, 1,686,979.08 and 713,237.66 is: 984,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,371.26 : 1,686,979.08 = 713,237.66 : x
  2. Step 2: Convert to fraction form
    1,222,371.26/1,686,979.08 = 713,237.66/x
  3. Step 3: Cross multiply
    1,222,371.26x = 1,686,979.08 × 713,237.66
  4. Step 4: Simplify right side
    1,222,371.26x = 1,203,217,003,053.26
  5. Step 5: Solve for x
    x = 1,203,217,003,053.26/1,222,371.26
  6. Step 6: Final answer
    x = 984,330.25

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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.