Home / 1,029,072.60-1,419,411.51-723,796.56

Finding the Fourth Proportional to 1,029,072.60, 1,419,411.51 and 723,796.56

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Solution

The fourth proportional to 1,029,072.60, 1,419,411.51 and 723,796.56 is: 998,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,072.60 : 1,419,411.51 = 723,796.56 : x
  2. Step 2: Convert to fraction form
    1,029,072.60/1,419,411.51 = 723,796.56/x
  3. Step 3: Cross multiply
    1,029,072.60x = 1,419,411.51 × 723,796.56
  4. Step 4: Simplify right side
    1,029,072.60x = 1,027,365,168,162.41
  5. Step 5: Solve for x
    x = 1,027,365,168,162.41/1,029,072.60
  6. Step 6: Final answer
    x = 998,340.81

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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.