Home / 1,274,456.72-1,757,854.64-838,735.25

Finding the Fourth Proportional to 1,274,456.72, 1,757,854.64 and 838,735.25

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Solution

The fourth proportional to 1,274,456.72, 1,757,854.64 and 838,735.25 is: 1,156,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,456.72 : 1,757,854.64 = 838,735.25 : x
  2. Step 2: Convert to fraction form
    1,274,456.72/1,757,854.64 = 838,735.25/x
  3. Step 3: Cross multiply
    1,274,456.72x = 1,757,854.64 × 838,735.25
  4. Step 4: Simplify right side
    1,274,456.72x = 1,474,374,637,961.11
  5. Step 5: Solve for x
    x = 1,474,374,637,961.11/1,274,456.72
  6. Step 6: Final answer
    x = 1,156,865.21

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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.