Home / 1,278,847.20-1,918,270.80-897,304.80

Finding the Fourth Proportional to 1,278,847.20, 1,918,270.80 and 897,304.80

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Solution

The fourth proportional to 1,278,847.20, 1,918,270.80 and 897,304.80 is: 1,345,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,847.20 : 1,918,270.80 = 897,304.80 : x
  2. Step 2: Convert to fraction form
    1,278,847.20/1,918,270.80 = 897,304.80/x
  3. Step 3: Cross multiply
    1,278,847.20x = 1,918,270.80 × 897,304.80
  4. Step 4: Simplify right side
    1,278,847.20x = 1,721,273,596,539.84
  5. Step 5: Solve for x
    x = 1,721,273,596,539.84/1,278,847.20
  6. Step 6: Final answer
    x = 1,345,957.20

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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.