Home / 1,327,644.98-1,993,330.61-679,683.97

Finding the Fourth Proportional to 1,327,644.98, 1,993,330.61 and 679,683.97

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Solution

The fourth proportional to 1,327,644.98, 1,993,330.61 and 679,683.97 is: 1,020,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,644.98 : 1,993,330.61 = 679,683.97 : x
  2. Step 2: Convert to fraction form
    1,327,644.98/1,993,330.61 = 679,683.97/x
  3. Step 3: Cross multiply
    1,327,644.98x = 1,993,330.61 × 679,683.97
  4. Step 4: Simplify right side
    1,327,644.98x = 1,354,834,859,243.21
  5. Step 5: Solve for x
    x = 1,354,834,859,243.21/1,327,644.98
  6. Step 6: Final answer
    x = 1,020,479.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.