Home / 1,274,214.42-1,909,079.50-1,198,359.54

Finding the Fourth Proportional to 1,274,214.42, 1,909,079.50 and 1,198,359.54

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Solution

The fourth proportional to 1,274,214.42, 1,909,079.50 and 1,198,359.54 is: 1,795,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,214.42 : 1,909,079.50 = 1,198,359.54 : x
  2. Step 2: Convert to fraction form
    1,274,214.42/1,909,079.50 = 1,198,359.54/x
  3. Step 3: Cross multiply
    1,274,214.42x = 1,909,079.50 × 1,198,359.54
  4. Step 4: Simplify right side
    1,274,214.42x = 2,287,763,631,443.43
  5. Step 5: Solve for x
    x = 2,287,763,631,443.43/1,274,214.42
  6. Step 6: Final answer
    x = 1,795,430.66

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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.