Home / 1,300,156.31-1,794,222.70-727,196.33

Finding the Fourth Proportional to 1,300,156.31, 1,794,222.70 and 727,196.33

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Solution

The fourth proportional to 1,300,156.31, 1,794,222.70 and 727,196.33 is: 1,003,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,156.31 : 1,794,222.70 = 727,196.33 : x
  2. Step 2: Convert to fraction form
    1,300,156.31/1,794,222.70 = 727,196.33/x
  3. Step 3: Cross multiply
    1,300,156.31x = 1,794,222.70 × 727,196.33
  4. Step 4: Simplify right side
    1,300,156.31x = 1,304,752,165,310.26
  5. Step 5: Solve for x
    x = 1,304,752,165,310.26/1,300,156.31
  6. Step 6: Final answer
    x = 1,003,534.85

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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.