Home / 1,102,949.91-1,655,841.69-850,390.83

Finding the Fourth Proportional to 1,102,949.91, 1,655,841.69 and 850,390.83

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Solution

The fourth proportional to 1,102,949.91, 1,655,841.69 and 850,390.83 is: 1,276,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,949.91 : 1,655,841.69 = 850,390.83 : x
  2. Step 2: Convert to fraction form
    1,102,949.91/1,655,841.69 = 850,390.83/x
  3. Step 3: Cross multiply
    1,102,949.91x = 1,655,841.69 × 850,390.83
  4. Step 4: Simplify right side
    1,102,949.91x = 1,408,112,589,107.70
  5. Step 5: Solve for x
    x = 1,408,112,589,107.70/1,102,949.91
  6. Step 6: Final answer
    x = 1,276,678.64

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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.