Home / 994,228.56-1,372,845.60-810,496.80

Finding the Fourth Proportional to 994,228.56, 1,372,845.60 and 810,496.80

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Solution

The fourth proportional to 994,228.56, 1,372,845.60 and 810,496.80 is: 1,119,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,228.56 : 1,372,845.60 = 810,496.80 : x
  2. Step 2: Convert to fraction form
    994,228.56/1,372,845.60 = 810,496.80/x
  3. Step 3: Cross multiply
    994,228.56x = 1,372,845.60 × 810,496.80
  4. Step 4: Simplify right side
    994,228.56x = 1,112,686,965,694.08
  5. Step 5: Solve for x
    x = 1,112,686,965,694.08/994,228.56
  6. Step 6: Final answer
    x = 1,119,146.05

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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.