Home / 1,220,940.80-1,830,147.60-547,344.80

Finding the Fourth Proportional to 1,220,940.80, 1,830,147.60 and 547,344.80

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Solution

The fourth proportional to 1,220,940.80, 1,830,147.60 and 547,344.80 is: 820,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,940.80 : 1,830,147.60 = 547,344.80 : x
  2. Step 2: Convert to fraction form
    1,220,940.80/1,830,147.60 = 547,344.80/x
  3. Step 3: Cross multiply
    1,220,940.80x = 1,830,147.60 × 547,344.80
  4. Step 4: Simplify right side
    1,220,940.80x = 1,001,721,772,092.48
  5. Step 5: Solve for x
    x = 1,001,721,772,092.48/1,220,940.80
  6. Step 6: Final answer
    x = 820,450.73

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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.