Home / 1,374,728.33-1,897,074.82-762,907.79

Finding the Fourth Proportional to 1,374,728.33, 1,897,074.82 and 762,907.79

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Solution

The fourth proportional to 1,374,728.33, 1,897,074.82 and 762,907.79 is: 1,052,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,728.33 : 1,897,074.82 = 762,907.79 : x
  2. Step 2: Convert to fraction form
    1,374,728.33/1,897,074.82 = 762,907.79/x
  3. Step 3: Cross multiply
    1,374,728.33x = 1,897,074.82 × 762,907.79
  4. Step 4: Simplify right side
    1,374,728.33x = 1,447,293,158,390.85
  5. Step 5: Solve for x
    x = 1,447,293,158,390.85/1,374,728.33
  6. Step 6: Final answer
    x = 1,052,784.85

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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.