Home / 1,631,391.25-2,251,257.35-906,284.57

Finding the Fourth Proportional to 1,631,391.25, 2,251,257.35 and 906,284.57

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Solution

The fourth proportional to 1,631,391.25, 2,251,257.35 and 906,284.57 is: 1,250,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,391.25 : 2,251,257.35 = 906,284.57 : x
  2. Step 2: Convert to fraction form
    1,631,391.25/2,251,257.35 = 906,284.57/x
  3. Step 3: Cross multiply
    1,631,391.25x = 2,251,257.35 × 906,284.57
  4. Step 4: Simplify right side
    1,631,391.25x = 2,040,279,788,714.23
  5. Step 5: Solve for x
    x = 2,040,279,788,714.23/1,631,391.25
  6. Step 6: Final answer
    x = 1,250,637.94

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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.