Home / 1,210,696.38-1,815,414.06-451,913.94

Finding the Fourth Proportional to 1,210,696.38, 1,815,414.06 and 451,913.94

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Solution

The fourth proportional to 1,210,696.38, 1,815,414.06 and 451,913.94 is: 677,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,696.38 : 1,815,414.06 = 451,913.94 : x
  2. Step 2: Convert to fraction form
    1,210,696.38/1,815,414.06 = 451,913.94/x
  3. Step 3: Cross multiply
    1,210,696.38x = 1,815,414.06 × 451,913.94
  4. Step 4: Simplify right side
    1,210,696.38x = 820,410,920,586.00
  5. Step 5: Solve for x
    x = 820,410,920,586.00/1,210,696.38
  6. Step 6: Final answer
    x = 677,635.56

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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.