Home / 801,415.80-1,202,123.70-788,974.20

Finding the Fourth Proportional to 801,415.80, 1,202,123.70 and 788,974.20

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Solution

The fourth proportional to 801,415.80, 1,202,123.70 and 788,974.20 is: 1,183,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,415.80 : 1,202,123.70 = 788,974.20 : x
  2. Step 2: Convert to fraction form
    801,415.80/1,202,123.70 = 788,974.20/x
  3. Step 3: Cross multiply
    801,415.80x = 1,202,123.70 × 788,974.20
  4. Step 4: Simplify right side
    801,415.80x = 948,444,584,508.54
  5. Step 5: Solve for x
    x = 948,444,584,508.54/801,415.80
  6. Step 6: Final answer
    x = 1,183,461.30

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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.