Home / 1,342,636.15-2,013,954.23-811,794.55

Finding the Fourth Proportional to 1,342,636.15, 2,013,954.23 and 811,794.55

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Solution

The fourth proportional to 1,342,636.15, 2,013,954.23 and 811,794.55 is: 1,217,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,636.15 : 2,013,954.23 = 811,794.55 : x
  2. Step 2: Convert to fraction form
    1,342,636.15/2,013,954.23 = 811,794.55/x
  3. Step 3: Cross multiply
    1,342,636.15x = 2,013,954.23 × 811,794.55
  4. Step 4: Simplify right side
    1,342,636.15x = 1,634,917,067,863.45
  5. Step 5: Solve for x
    x = 1,634,917,067,863.45/1,342,636.15
  6. Step 6: Final answer
    x = 1,217,691.83

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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.