Home / 835,481.80-1,253,222.70-821,657.80

Finding the Fourth Proportional to 835,481.80, 1,253,222.70 and 821,657.80

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Solution

The fourth proportional to 835,481.80, 1,253,222.70 and 821,657.80 is: 1,232,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,481.80 : 1,253,222.70 = 821,657.80 : x
  2. Step 2: Convert to fraction form
    835,481.80/1,253,222.70 = 821,657.80/x
  3. Step 3: Cross multiply
    835,481.80x = 1,253,222.70 × 821,657.80
  4. Step 4: Simplify right side
    835,481.80x = 1,029,720,206,592.06
  5. Step 5: Solve for x
    x = 1,029,720,206,592.06/835,481.80
  6. Step 6: Final answer
    x = 1,232,486.70

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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.