Home / 1,627,229.80-2,440,407.30-680,404.60

Finding the Fourth Proportional to 1,627,229.80, 2,440,407.30 and 680,404.60

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Solution

The fourth proportional to 1,627,229.80, 2,440,407.30 and 680,404.60 is: 1,020,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,229.80 : 2,440,407.30 = 680,404.60 : x
  2. Step 2: Convert to fraction form
    1,627,229.80/2,440,407.30 = 680,404.60/x
  3. Step 3: Cross multiply
    1,627,229.80x = 2,440,407.30 × 680,404.60
  4. Step 4: Simplify right side
    1,627,229.80x = 1,660,464,352,793.58
  5. Step 5: Solve for x
    x = 1,660,464,352,793.58/1,627,229.80
  6. Step 6: Final answer
    x = 1,020,424.01

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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.