Home / 1,022,019.36-1,410,971.32-678,321.38

Finding the Fourth Proportional to 1,022,019.36, 1,410,971.32 and 678,321.38

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Solution

The fourth proportional to 1,022,019.36, 1,410,971.32 and 678,321.38 is: 936,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,019.36 : 1,410,971.32 = 678,321.38 : x
  2. Step 2: Convert to fraction form
    1,022,019.36/1,410,971.32 = 678,321.38/x
  3. Step 3: Cross multiply
    1,022,019.36x = 1,410,971.32 × 678,321.38
  4. Step 4: Simplify right side
    1,022,019.36x = 957,092,012,922.82
  5. Step 5: Solve for x
    x = 957,092,012,922.82/1,022,019.36
  6. Step 6: Final answer
    x = 936,471.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.