Home / 1,485,179.99-2,227,413.29-685,693.39

Finding the Fourth Proportional to 1,485,179.99, 2,227,413.29 and 685,693.39

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Solution

The fourth proportional to 1,485,179.99, 2,227,413.29 and 685,693.39 is: 1,028,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,179.99 : 2,227,413.29 = 685,693.39 : x
  2. Step 2: Convert to fraction form
    1,485,179.99/2,227,413.29 = 685,693.39/x
  3. Step 3: Cross multiply
    1,485,179.99x = 2,227,413.29 × 685,693.39
  4. Step 4: Simplify right side
    1,485,179.99x = 1,527,322,569,751.15
  5. Step 5: Solve for x
    x = 1,527,322,569,751.15/1,485,179.99
  6. Step 6: Final answer
    x = 1,028,375.40

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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.