Home / 1,282,182.94-1,921,575.54-681,851.44

Finding the Fourth Proportional to 1,282,182.94, 1,921,575.54 and 681,851.44

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Solution

The fourth proportional to 1,282,182.94, 1,921,575.54 and 681,851.44 is: 1,021,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,182.94 : 1,921,575.54 = 681,851.44 : x
  2. Step 2: Convert to fraction form
    1,282,182.94/1,921,575.54 = 681,851.44/x
  3. Step 3: Cross multiply
    1,282,182.94x = 1,921,575.54 × 681,851.44
  4. Step 4: Simplify right side
    1,282,182.94x = 1,310,229,049,017.78
  5. Step 5: Solve for x
    x = 1,310,229,049,017.78/1,282,182.94
  6. Step 6: Final answer
    x = 1,021,873.72

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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.