Home / 1,216,350.62-1,678,418.76-672,413.35

Finding the Fourth Proportional to 1,216,350.62, 1,678,418.76 and 672,413.35

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Solution

The fourth proportional to 1,216,350.62, 1,678,418.76 and 672,413.35 is: 927,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,350.62 : 1,678,418.76 = 672,413.35 : x
  2. Step 2: Convert to fraction form
    1,216,350.62/1,678,418.76 = 672,413.35/x
  3. Step 3: Cross multiply
    1,216,350.62x = 1,678,418.76 × 672,413.35
  4. Step 4: Simplify right side
    1,216,350.62x = 1,128,591,176,918.40
  5. Step 5: Solve for x
    x = 1,128,591,176,918.40/1,216,350.62
  6. Step 6: Final answer
    x = 927,850.21

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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.