Home / 1,511,422.88-2,085,669.05-832,359.38

Finding the Fourth Proportional to 1,511,422.88, 2,085,669.05 and 832,359.38

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Solution

The fourth proportional to 1,511,422.88, 2,085,669.05 and 832,359.38 is: 1,148,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,422.88 : 2,085,669.05 = 832,359.38 : x
  2. Step 2: Convert to fraction form
    1,511,422.88/2,085,669.05 = 832,359.38/x
  3. Step 3: Cross multiply
    1,511,422.88x = 2,085,669.05 × 832,359.38
  4. Step 4: Simplify right side
    1,511,422.88x = 1,736,026,204,638.26
  5. Step 5: Solve for x
    x = 1,736,026,204,638.26/1,511,422.88
  6. Step 6: Final answer
    x = 1,148,603.89

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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.