Home / 916,413.21-1,375,625.42-728,084.16

Finding the Fourth Proportional to 916,413.21, 1,375,625.42 and 728,084.16

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Solution

The fourth proportional to 916,413.21, 1,375,625.42 and 728,084.16 is: 1,092,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,413.21 : 1,375,625.42 = 728,084.16 : x
  2. Step 2: Convert to fraction form
    916,413.21/1,375,625.42 = 728,084.16/x
  3. Step 3: Cross multiply
    916,413.21x = 1,375,625.42 × 728,084.16
  4. Step 4: Simplify right side
    916,413.21x = 1,001,571,074,754.93
  5. Step 5: Solve for x
    x = 1,001,571,074,754.93/916,413.21
  6. Step 6: Final answer
    x = 1,092,925.18

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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.