Home / 1,079,843.06-1,620,031.01-321,681.58

Finding the Fourth Proportional to 1,079,843.06, 1,620,031.01 and 321,681.58

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Solution

The fourth proportional to 1,079,843.06, 1,620,031.01 and 321,681.58 is: 482,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,843.06 : 1,620,031.01 = 321,681.58 : x
  2. Step 2: Convert to fraction form
    1,079,843.06/1,620,031.01 = 321,681.58/x
  3. Step 3: Cross multiply
    1,079,843.06x = 1,620,031.01 × 321,681.58
  4. Step 4: Simplify right side
    1,079,843.06x = 521,134,138,383.62
  5. Step 5: Solve for x
    x = 521,134,138,383.62/1,079,843.06
  6. Step 6: Final answer
    x = 482,601.74

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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.