Home / 1,072,556.80-1,607,452.80-821,996.80

Finding the Fourth Proportional to 1,072,556.80, 1,607,452.80 and 821,996.80

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Solution

The fourth proportional to 1,072,556.80, 1,607,452.80 and 821,996.80 is: 1,231,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,556.80 : 1,607,452.80 = 821,996.80 : x
  2. Step 2: Convert to fraction form
    1,072,556.80/1,607,452.80 = 821,996.80/x
  3. Step 3: Cross multiply
    1,072,556.80x = 1,607,452.80 × 821,996.80
  4. Step 4: Simplify right side
    1,072,556.80x = 1,321,321,057,751.04
  5. Step 5: Solve for x
    x = 1,321,321,057,751.04/1,072,556.80
  6. Step 6: Final answer
    x = 1,231,935.74

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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.