Home / 1,261,926.87-1,741,503.02-718,144.71

Finding the Fourth Proportional to 1,261,926.87, 1,741,503.02 and 718,144.71

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Solution

The fourth proportional to 1,261,926.87, 1,741,503.02 and 718,144.71 is: 991,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,926.87 : 1,741,503.02 = 718,144.71 : x
  2. Step 2: Convert to fraction form
    1,261,926.87/1,741,503.02 = 718,144.71/x
  3. Step 3: Cross multiply
    1,261,926.87x = 1,741,503.02 × 718,144.71
  4. Step 4: Simplify right side
    1,261,926.87x = 1,250,651,177,671.30
  5. Step 5: Solve for x
    x = 1,250,651,177,671.30/1,261,926.87
  6. Step 6: Final answer
    x = 991,064.70

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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.