Home / 1,222,883.50-1,687,546.80-679,005.30

Finding the Fourth Proportional to 1,222,883.50, 1,687,546.80 and 679,005.30

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Solution

The fourth proportional to 1,222,883.50, 1,687,546.80 and 679,005.30 is: 937,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,883.50 : 1,687,546.80 = 679,005.30 : x
  2. Step 2: Convert to fraction form
    1,222,883.50/1,687,546.80 = 679,005.30/x
  3. Step 3: Cross multiply
    1,222,883.50x = 1,687,546.80 × 679,005.30
  4. Step 4: Simplify right side
    1,222,883.50x = 1,145,853,221,198.04
  5. Step 5: Solve for x
    x = 1,145,853,221,198.04/1,222,883.50
  6. Step 6: Final answer
    x = 937,009.31

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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.