Home / 1,644,145.67-2,268,968.84-899,115.32

Finding the Fourth Proportional to 1,644,145.67, 2,268,968.84 and 899,115.32

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Solution

The fourth proportional to 1,644,145.67, 2,268,968.84 and 899,115.32 is: 1,240,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,145.67 : 2,268,968.84 = 899,115.32 : x
  2. Step 2: Convert to fraction form
    1,644,145.67/2,268,968.84 = 899,115.32/x
  3. Step 3: Cross multiply
    1,644,145.67x = 2,268,968.84 × 899,115.32
  4. Step 4: Simplify right side
    1,644,145.67x = 2,040,064,645,823.47
  5. Step 5: Solve for x
    x = 2,040,064,645,823.47/1,644,145.67
  6. Step 6: Final answer
    x = 1,240,805.29

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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.