Home / 1,261,925.37-1,741,500.95-718,143.21

Finding the Fourth Proportional to 1,261,925.37, 1,741,500.95 and 718,143.21

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Solution

The fourth proportional to 1,261,925.37, 1,741,500.95 and 718,143.21 is: 991,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,925.37 : 1,741,500.95 = 718,143.21 : x
  2. Step 2: Convert to fraction form
    1,261,925.37/1,741,500.95 = 718,143.21/x
  3. Step 3: Cross multiply
    1,261,925.37x = 1,741,500.95 × 718,143.21
  4. Step 4: Simplify right side
    1,261,925.37x = 1,250,647,078,860.33
  5. Step 5: Solve for x
    x = 1,250,647,078,860.33/1,261,925.37
  6. Step 6: Final answer
    x = 991,062.63

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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.