Home / 1,939,025.07-2,675,873.04-1,079,603.78

Finding the Fourth Proportional to 1,939,025.07, 2,675,873.04 and 1,079,603.78

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Solution

The fourth proportional to 1,939,025.07, 2,675,873.04 and 1,079,603.78 is: 1,489,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,025.07 : 2,675,873.04 = 1,079,603.78 : x
  2. Step 2: Convert to fraction form
    1,939,025.07/2,675,873.04 = 1,079,603.78/x
  3. Step 3: Cross multiply
    1,939,025.07x = 2,675,873.04 × 1,079,603.78
  4. Step 4: Simplify right side
    1,939,025.07x = 2,888,882,635,404.73
  5. Step 5: Solve for x
    x = 2,888,882,635,404.73/1,939,025.07
  6. Step 6: Final answer
    x = 1,489,863.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.