Home / 921,829.20-1,382,743.80-827,350.80

Finding the Fourth Proportional to 921,829.20, 1,382,743.80 and 827,350.80

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Solution

The fourth proportional to 921,829.20, 1,382,743.80 and 827,350.80 is: 1,241,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,829.20 : 1,382,743.80 = 827,350.80 : x
  2. Step 2: Convert to fraction form
    921,829.20/1,382,743.80 = 827,350.80/x
  3. Step 3: Cross multiply
    921,829.20x = 1,382,743.80 × 827,350.80
  4. Step 4: Simplify right side
    921,829.20x = 1,144,014,189,125.04
  5. Step 5: Solve for x
    x = 1,144,014,189,125.04/921,829.20
  6. Step 6: Final answer
    x = 1,241,026.20

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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.