Home / 880,522.20-1,320,783.30-821,035.80

Finding the Fourth Proportional to 880,522.20, 1,320,783.30 and 821,035.80

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Solution

The fourth proportional to 880,522.20, 1,320,783.30 and 821,035.80 is: 1,231,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,522.20 : 1,320,783.30 = 821,035.80 : x
  2. Step 2: Convert to fraction form
    880,522.20/1,320,783.30 = 821,035.80/x
  3. Step 3: Cross multiply
    880,522.20x = 1,320,783.30 × 821,035.80
  4. Step 4: Simplify right side
    880,522.20x = 1,084,410,373,342.14
  5. Step 5: Solve for x
    x = 1,084,410,373,342.14/880,522.20
  6. Step 6: Final answer
    x = 1,231,553.70

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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.