Home / 1,374,726.33-1,897,072.07-762,905.79

Finding the Fourth Proportional to 1,374,726.33, 1,897,072.07 and 762,905.79

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Solution

The fourth proportional to 1,374,726.33, 1,897,072.07 and 762,905.79 is: 1,052,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,726.33 : 1,897,072.07 = 762,905.79 : x
  2. Step 2: Convert to fraction form
    1,374,726.33/1,897,072.07 = 762,905.79/x
  3. Step 3: Cross multiply
    1,374,726.33x = 1,897,072.07 × 762,905.79
  4. Step 4: Simplify right side
    1,374,726.33x = 1,447,287,262,435.76
  5. Step 5: Solve for x
    x = 1,447,287,262,435.76/1,374,726.33
  6. Step 6: Final answer
    x = 1,052,782.09

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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.