Home / 1,305,124.92-1,801,844.55-822,104.10

Finding the Fourth Proportional to 1,305,124.92, 1,801,844.55 and 822,104.10

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Solution

The fourth proportional to 1,305,124.92, 1,801,844.55 and 822,104.10 is: 1,134,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,124.92 : 1,801,844.55 = 822,104.10 : x
  2. Step 2: Convert to fraction form
    1,305,124.92/1,801,844.55 = 822,104.10/x
  3. Step 3: Cross multiply
    1,305,124.92x = 1,801,844.55 × 822,104.10
  4. Step 4: Simplify right side
    1,305,124.92x = 1,481,303,792,117.66
  5. Step 5: Solve for x
    x = 1,481,303,792,117.66/1,305,124.92
  6. Step 6: Final answer
    x = 1,134,990.05

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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.