Home / 1,322,131.84-1,824,561.60-718,520.32

Finding the Fourth Proportional to 1,322,131.84, 1,824,561.60 and 718,520.32

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Solution

The fourth proportional to 1,322,131.84, 1,824,561.60 and 718,520.32 is: 991,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,131.84 : 1,824,561.60 = 718,520.32 : x
  2. Step 2: Convert to fraction form
    1,322,131.84/1,824,561.60 = 718,520.32/x
  3. Step 3: Cross multiply
    1,322,131.84x = 1,824,561.60 × 718,520.32
  4. Step 4: Simplify right side
    1,322,131.84x = 1,310,984,584,691.71
  5. Step 5: Solve for x
    x = 1,310,984,584,691.71/1,322,131.84
  6. Step 6: Final answer
    x = 991,568.73

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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.