Home / 1,210,662.08-1,815,362.53-451,879.50

Finding the Fourth Proportional to 1,210,662.08, 1,815,362.53 and 451,879.50

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Solution

The fourth proportional to 1,210,662.08, 1,815,362.53 and 451,879.50 is: 677,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,662.08 : 1,815,362.53 = 451,879.50 : x
  2. Step 2: Convert to fraction form
    1,210,662.08/1,815,362.53 = 451,879.50/x
  3. Step 3: Cross multiply
    1,210,662.08x = 1,815,362.53 × 451,879.50
  4. Step 4: Simplify right side
    1,210,662.08x = 820,325,112,375.14
  5. Step 5: Solve for x
    x = 820,325,112,375.14/1,210,662.08
  6. Step 6: Final answer
    x = 677,583.88

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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.