Home / 1,274,215.42-1,909,081-1,198,360.54

Finding the Fourth Proportional to 1,274,215.42, 1,909,081 and 1,198,360.54

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Solution

The fourth proportional to 1,274,215.42, 1,909,081 and 1,198,360.54 is: 1,795,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,215.42 : 1,909,081 = 1,198,360.54 : x
  2. Step 2: Convert to fraction form
    1,274,215.42/1,909,081 = 1,198,360.54/x
  3. Step 3: Cross multiply
    1,274,215.42x = 1,909,081 × 1,198,360.54
  4. Step 4: Simplify right side
    1,274,215.42x = 2,287,767,338,063.74
  5. Step 5: Solve for x
    x = 2,287,767,338,063.74/1,274,215.42
  6. Step 6: Final answer
    x = 1,795,432.16

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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.