Home / 1,097,413.97-1,645,786.15-387,276.17

Finding the Fourth Proportional to 1,097,413.97, 1,645,786.15 and 387,276.17

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Solution

The fourth proportional to 1,097,413.97, 1,645,786.15 and 387,276.17 is: 580,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,413.97 : 1,645,786.15 = 387,276.17 : x
  2. Step 2: Convert to fraction form
    1,097,413.97/1,645,786.15 = 387,276.17/x
  3. Step 3: Cross multiply
    1,097,413.97x = 1,645,786.15 × 387,276.17
  4. Step 4: Simplify right side
    1,097,413.97x = 637,373,747,613.92
  5. Step 5: Solve for x
    x = 637,373,747,613.92/1,097,413.97
  6. Step 6: Final answer
    x = 580,796.10

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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.