Home / 1,324,651.32-1,986,995.61-378,022.14

Finding the Fourth Proportional to 1,324,651.32, 1,986,995.61 and 378,022.14

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Solution

The fourth proportional to 1,324,651.32, 1,986,995.61 and 378,022.14 is: 567,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,651.32 : 1,986,995.61 = 378,022.14 : x
  2. Step 2: Convert to fraction form
    1,324,651.32/1,986,995.61 = 378,022.14/x
  3. Step 3: Cross multiply
    1,324,651.32x = 1,986,995.61 × 378,022.14
  4. Step 4: Simplify right side
    1,324,651.32x = 751,128,332,662.81
  5. Step 5: Solve for x
    x = 751,128,332,662.81/1,324,651.32
  6. Step 6: Final answer
    x = 567,038.53

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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.