Home / 1,274,155.76-1,908,991.59-1,198,300.88

Finding the Fourth Proportional to 1,274,155.76, 1,908,991.59 and 1,198,300.88

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Solution

The fourth proportional to 1,274,155.76, 1,908,991.59 and 1,198,300.88 is: 1,795,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,155.76 : 1,908,991.59 = 1,198,300.88 : x
  2. Step 2: Convert to fraction form
    1,274,155.76/1,908,991.59 = 1,198,300.88/x
  3. Step 3: Cross multiply
    1,274,155.76x = 1,908,991.59 × 1,198,300.88
  4. Step 4: Simplify right side
    1,274,155.76x = 2,287,546,292,664.64
  5. Step 5: Solve for x
    x = 2,287,546,292,664.64/1,274,155.76
  6. Step 6: Final answer
    x = 1,795,342.75

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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.