Home / 1,252,413.45-1,728,331.19-679,453.47

Finding the Fourth Proportional to 1,252,413.45, 1,728,331.19 and 679,453.47

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Solution

The fourth proportional to 1,252,413.45, 1,728,331.19 and 679,453.47 is: 937,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,413.45 : 1,728,331.19 = 679,453.47 : x
  2. Step 2: Convert to fraction form
    1,252,413.45/1,728,331.19 = 679,453.47/x
  3. Step 3: Cross multiply
    1,252,413.45x = 1,728,331.19 × 679,453.47
  4. Step 4: Simplify right side
    1,252,413.45x = 1,174,320,624,354.73
  5. Step 5: Solve for x
    x = 1,174,320,624,354.73/1,252,413.45
  6. Step 6: Final answer
    x = 937,646.13

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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.