Home / 1,644,137.66-2,268,957.77-899,107.31

Finding the Fourth Proportional to 1,644,137.66, 2,268,957.77 and 899,107.31

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Solution

The fourth proportional to 1,644,137.66, 2,268,957.77 and 899,107.31 is: 1,240,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,137.66 : 2,268,957.77 = 899,107.31 : x
  2. Step 2: Convert to fraction form
    1,644,137.66/2,268,957.77 = 899,107.31/x
  3. Step 3: Cross multiply
    1,644,137.66x = 2,268,957.77 × 899,107.31
  4. Step 4: Simplify right side
    1,644,137.66x = 2,040,036,512,592.76
  5. Step 5: Solve for x
    x = 2,040,036,512,592.76/1,644,137.66
  6. Step 6: Final answer
    x = 1,240,794.22

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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.