Home / 1,339,405.76-1,848,413.28-727,558.33

Finding the Fourth Proportional to 1,339,405.76, 1,848,413.28 and 727,558.33

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Solution

The fourth proportional to 1,339,405.76, 1,848,413.28 and 727,558.33 is: 1,004,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,405.76 : 1,848,413.28 = 727,558.33 : x
  2. Step 2: Convert to fraction form
    1,339,405.76/1,848,413.28 = 727,558.33/x
  3. Step 3: Cross multiply
    1,339,405.76x = 1,848,413.28 × 727,558.33
  4. Step 4: Simplify right side
    1,339,405.76x = 1,344,828,479,146.62
  5. Step 5: Solve for x
    x = 1,344,828,479,146.62/1,339,405.76
  6. Step 6: Final answer
    x = 1,004,048.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.