Home / 994,091.80-1,491,137.70-520,922.20

Finding the Fourth Proportional to 994,091.80, 1,491,137.70 and 520,922.20

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Solution

The fourth proportional to 994,091.80, 1,491,137.70 and 520,922.20 is: 781,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,091.80 : 1,491,137.70 = 520,922.20 : x
  2. Step 2: Convert to fraction form
    994,091.80/1,491,137.70 = 520,922.20/x
  3. Step 3: Cross multiply
    994,091.80x = 1,491,137.70 × 520,922.20
  4. Step 4: Simplify right side
    994,091.80x = 776,766,731,186.94
  5. Step 5: Solve for x
    x = 776,766,731,186.94/994,091.80
  6. Step 6: Final answer
    x = 781,383.30

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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.