Home / 1,374,442.08-1,896,957.62-762,791.30

Finding the Fourth Proportional to 1,374,442.08, 1,896,957.62 and 762,791.30

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Solution

The fourth proportional to 1,374,442.08, 1,896,957.62 and 762,791.30 is: 1,052,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,442.08 : 1,896,957.62 = 762,791.30 : x
  2. Step 2: Convert to fraction form
    1,374,442.08/1,896,957.62 = 762,791.30/x
  3. Step 3: Cross multiply
    1,374,442.08x = 1,896,957.62 × 762,791.30
  4. Step 4: Simplify right side
    1,374,442.08x = 1,446,982,769,004.71
  5. Step 5: Solve for x
    x = 1,446,982,769,004.71/1,374,442.08
  6. Step 6: Final answer
    x = 1,052,778.28

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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.