Home / 1,152,413.88-1,728,805.14-487,571.64

Finding the Fourth Proportional to 1,152,413.88, 1,728,805.14 and 487,571.64

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Solution

The fourth proportional to 1,152,413.88, 1,728,805.14 and 487,571.64 is: 731,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,413.88 : 1,728,805.14 = 487,571.64 : x
  2. Step 2: Convert to fraction form
    1,152,413.88/1,728,805.14 = 487,571.64/x
  3. Step 3: Cross multiply
    1,152,413.88x = 1,728,805.14 × 487,571.64
  4. Step 4: Simplify right side
    1,152,413.88x = 842,916,357,350.23
  5. Step 5: Solve for x
    x = 842,916,357,350.23/1,152,413.88
  6. Step 6: Final answer
    x = 731,435.44

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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.