Home / 1,252,413.28-1,728,333.67-679,453.45

Finding the Fourth Proportional to 1,252,413.28, 1,728,333.67 and 679,453.45

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Solution

The fourth proportional to 1,252,413.28, 1,728,333.67 and 679,453.45 is: 937,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,413.28 : 1,728,333.67 = 679,453.45 : x
  2. Step 2: Convert to fraction form
    1,252,413.28/1,728,333.67 = 679,453.45/x
  3. Step 3: Cross multiply
    1,252,413.28x = 1,728,333.67 × 679,453.45
  4. Step 4: Simplify right side
    1,252,413.28x = 1,174,322,279,809.05
  5. Step 5: Solve for x
    x = 1,174,322,279,809.05/1,252,413.28
  6. Step 6: Final answer
    x = 937,647.58

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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.