Home / 829,142.80-1,244,021.40-798,422.80

Finding the Fourth Proportional to 829,142.80, 1,244,021.40 and 798,422.80

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Solution

The fourth proportional to 829,142.80, 1,244,021.40 and 798,422.80 is: 1,197,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,142.80 : 1,244,021.40 = 798,422.80 : x
  2. Step 2: Convert to fraction form
    829,142.80/1,244,021.40 = 798,422.80/x
  3. Step 3: Cross multiply
    829,142.80x = 1,244,021.40 × 798,422.80
  4. Step 4: Simplify right side
    829,142.80x = 993,255,049,447.92
  5. Step 5: Solve for x
    x = 993,255,049,447.92/829,142.80
  6. Step 6: Final answer
    x = 1,197,930.02

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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.