Home / 1,274,249.49-1,909,131.74-1,198,394.76

Finding the Fourth Proportional to 1,274,249.49, 1,909,131.74 and 1,198,394.76

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Solution

The fourth proportional to 1,274,249.49, 1,909,131.74 and 1,198,394.76 is: 1,795,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,249.49 : 1,909,131.74 = 1,198,394.76 : x
  2. Step 2: Convert to fraction form
    1,274,249.49/1,909,131.74 = 1,198,394.76/x
  3. Step 3: Cross multiply
    1,274,249.49x = 1,909,131.74 × 1,198,394.76
  4. Step 4: Simplify right side
    1,274,249.49x = 2,287,893,479,026.93
  5. Step 5: Solve for x
    x = 2,287,893,479,026.93/1,274,249.49
  6. Step 6: Final answer
    x = 1,795,483.15

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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.