Home / 889,961.90-1,338,731.14-806,725.82

Finding the Fourth Proportional to 889,961.90, 1,338,731.14 and 806,725.82

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Solution

The fourth proportional to 889,961.90, 1,338,731.14 and 806,725.82 is: 1,213,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,961.90 : 1,338,731.14 = 806,725.82 : x
  2. Step 2: Convert to fraction form
    889,961.90/1,338,731.14 = 806,725.82/x
  3. Step 3: Cross multiply
    889,961.90x = 1,338,731.14 × 806,725.82
  4. Step 4: Simplify right side
    889,961.90x = 1,079,988,976,676.03
  5. Step 5: Solve for x
    x = 1,079,988,976,676.03/889,961.90
  6. Step 6: Final answer
    x = 1,213,522.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.