Home / 1,274,493.68-1,911,179.62-675,316.73

Finding the Fourth Proportional to 1,274,493.68, 1,911,179.62 and 675,316.73

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Solution

The fourth proportional to 1,274,493.68, 1,911,179.62 and 675,316.73 is: 1,012,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,493.68 : 1,911,179.62 = 675,316.73 : x
  2. Step 2: Convert to fraction form
    1,274,493.68/1,911,179.62 = 675,316.73/x
  3. Step 3: Cross multiply
    1,274,493.68x = 1,911,179.62 × 675,316.73
  4. Step 4: Simplify right side
    1,274,493.68x = 1,290,651,558,488.56
  5. Step 5: Solve for x
    x = 1,290,651,558,488.56/1,274,493.68
  6. Step 6: Final answer
    x = 1,012,677.88

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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.