Home / 1,322,189.64-1,983,845.67-722,450.19

Finding the Fourth Proportional to 1,322,189.64, 1,983,845.67 and 722,450.19

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Solution

The fourth proportional to 1,322,189.64, 1,983,845.67 and 722,450.19 is: 1,083,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,189.64 : 1,983,845.67 = 722,450.19 : x
  2. Step 2: Convert to fraction form
    1,322,189.64/1,983,845.67 = 722,450.19/x
  3. Step 3: Cross multiply
    1,322,189.64x = 1,983,845.67 × 722,450.19
  4. Step 4: Simplify right side
    1,322,189.64x = 1,433,229,681,222.18
  5. Step 5: Solve for x
    x = 1,433,229,681,222.18/1,322,189.64
  6. Step 6: Final answer
    x = 1,083,981.93

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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.