Home / 1,522,057.50-2,100,413.61-842,979.42

Finding the Fourth Proportional to 1,522,057.50, 2,100,413.61 and 842,979.42

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Solution

The fourth proportional to 1,522,057.50, 2,100,413.61 and 842,979.42 is: 1,163,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,057.50 : 2,100,413.61 = 842,979.42 : x
  2. Step 2: Convert to fraction form
    1,522,057.50/2,100,413.61 = 842,979.42/x
  3. Step 3: Cross multiply
    1,522,057.50x = 2,100,413.61 × 842,979.42
  4. Step 4: Simplify right side
    1,522,057.50x = 1,770,605,446,717.91
  5. Step 5: Solve for x
    x = 1,770,605,446,717.91/1,522,057.50
  6. Step 6: Final answer
    x = 1,163,297.34

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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.