Home / 1,322,167-1,983,391.44-423,287.32

Finding the Fourth Proportional to 1,322,167, 1,983,391.44 and 423,287.32

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Solution

The fourth proportional to 1,322,167, 1,983,391.44 and 423,287.32 is: 634,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,167 : 1,983,391.44 = 423,287.32 : x
  2. Step 2: Convert to fraction form
    1,322,167/1,983,391.44 = 423,287.32/x
  3. Step 3: Cross multiply
    1,322,167x = 1,983,391.44 × 423,287.32
  4. Step 4: Simplify right side
    1,322,167x = 839,544,447,148.54
  5. Step 5: Solve for x
    x = 839,544,447,148.54/1,322,167
  6. Step 6: Final answer
    x = 634,976.10

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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.