Home / 994,273.60-1,489,660.80-815,814.40

Finding the Fourth Proportional to 994,273.60, 1,489,660.80 and 815,814.40

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Solution

The fourth proportional to 994,273.60, 1,489,660.80 and 815,814.40 is: 1,222,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,273.60 : 1,489,660.80 = 815,814.40 : x
  2. Step 2: Convert to fraction form
    994,273.60/1,489,660.80 = 815,814.40/x
  3. Step 3: Cross multiply
    994,273.60x = 1,489,660.80 × 815,814.40
  4. Step 4: Simplify right side
    994,273.60x = 1,215,286,731,755.52
  5. Step 5: Solve for x
    x = 1,215,286,731,755.52/994,273.60
  6. Step 6: Final answer
    x = 1,222,286.03

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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.