Home / 828,296.70-1,242,445.05-823,047.90

Finding the Fourth Proportional to 828,296.70, 1,242,445.05 and 823,047.90

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Solution

The fourth proportional to 828,296.70, 1,242,445.05 and 823,047.90 is: 1,234,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,296.70 : 1,242,445.05 = 823,047.90 : x
  2. Step 2: Convert to fraction form
    828,296.70/1,242,445.05 = 823,047.90/x
  3. Step 3: Cross multiply
    828,296.70x = 1,242,445.05 × 823,047.90
  4. Step 4: Simplify right side
    828,296.70x = 1,022,591,789,267.90
  5. Step 5: Solve for x
    x = 1,022,591,789,267.90/828,296.70
  6. Step 6: Final answer
    x = 1,234,571.85

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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.