Home / 1,788,654.80-2,680,908.60-722,997.20

Finding the Fourth Proportional to 1,788,654.80, 2,680,908.60 and 722,997.20

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Solution

The fourth proportional to 1,788,654.80, 2,680,908.60 and 722,997.20 is: 1,083,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,654.80 : 2,680,908.60 = 722,997.20 : x
  2. Step 2: Convert to fraction form
    1,788,654.80/2,680,908.60 = 722,997.20/x
  3. Step 3: Cross multiply
    1,788,654.80x = 2,680,908.60 × 722,997.20
  4. Step 4: Simplify right side
    1,788,654.80x = 1,938,289,411,255.92
  5. Step 5: Solve for x
    x = 1,938,289,411,255.92/1,788,654.80
  6. Step 6: Final answer
    x = 1,083,657.62

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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.