Home / 1,274,155.38-1,908,991.04-1,198,300.50

Finding the Fourth Proportional to 1,274,155.38, 1,908,991.04 and 1,198,300.50

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Solution

The fourth proportional to 1,274,155.38, 1,908,991.04 and 1,198,300.50 is: 1,795,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,155.38 : 1,908,991.04 = 1,198,300.50 : x
  2. Step 2: Convert to fraction form
    1,274,155.38/1,908,991.04 = 1,198,300.50/x
  3. Step 3: Cross multiply
    1,274,155.38x = 1,908,991.04 × 1,198,300.50
  4. Step 4: Simplify right side
    1,274,155.38x = 2,287,544,911,736.02
  5. Step 5: Solve for x
    x = 2,287,544,911,736.02/1,274,155.38
  6. Step 6: Final answer
    x = 1,795,342.19

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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.