Home / 1,609,728.90-2,413,718.55-663,195.30

Finding the Fourth Proportional to 1,609,728.90, 2,413,718.55 and 663,195.30

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Solution

The fourth proportional to 1,609,728.90, 2,413,718.55 and 663,195.30 is: 994,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,728.90 : 2,413,718.55 = 663,195.30 : x
  2. Step 2: Convert to fraction form
    1,609,728.90/2,413,718.55 = 663,195.30/x
  3. Step 3: Cross multiply
    1,609,728.90x = 2,413,718.55 × 663,195.30
  4. Step 4: Simplify right side
    1,609,728.90x = 1,600,766,797,882.82
  5. Step 5: Solve for x
    x = 1,600,766,797,882.82/1,609,728.90
  6. Step 6: Final answer
    x = 994,432.54

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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.