Home / 1,413,989.76-1,951,289.44-769,398.84

Finding the Fourth Proportional to 1,413,989.76, 1,951,289.44 and 769,398.84

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Solution

The fourth proportional to 1,413,989.76, 1,951,289.44 and 769,398.84 is: 1,061,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,989.76 : 1,951,289.44 = 769,398.84 : x
  2. Step 2: Convert to fraction form
    1,413,989.76/1,951,289.44 = 769,398.84/x
  3. Step 3: Cross multiply
    1,413,989.76x = 1,951,289.44 × 769,398.84
  4. Step 4: Simplify right side
    1,413,989.76x = 1,501,319,831,640.25
  5. Step 5: Solve for x
    x = 1,501,319,831,640.25/1,413,989.76
  6. Step 6: Final answer
    x = 1,061,761.46

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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.