Home / 824,498.40-1,236,747.60-682,780.80

Finding the Fourth Proportional to 824,498.40, 1,236,747.60 and 682,780.80

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Solution

The fourth proportional to 824,498.40, 1,236,747.60 and 682,780.80 is: 1,024,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,498.40 : 1,236,747.60 = 682,780.80 : x
  2. Step 2: Convert to fraction form
    824,498.40/1,236,747.60 = 682,780.80/x
  3. Step 3: Cross multiply
    824,498.40x = 1,236,747.60 × 682,780.80
  4. Step 4: Simplify right side
    824,498.40x = 844,427,515,726.08
  5. Step 5: Solve for x
    x = 844,427,515,726.08/824,498.40
  6. Step 6: Final answer
    x = 1,024,171.20

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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.