Home / 1,009,945.04-1,394,229.20-628,094.84

Finding the Fourth Proportional to 1,009,945.04, 1,394,229.20 and 628,094.84

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Solution

The fourth proportional to 1,009,945.04, 1,394,229.20 and 628,094.84 is: 867,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,945.04 : 1,394,229.20 = 628,094.84 : x
  2. Step 2: Convert to fraction form
    1,009,945.04/1,394,229.20 = 628,094.84/x
  3. Step 3: Cross multiply
    1,009,945.04x = 1,394,229.20 × 628,094.84
  4. Step 4: Simplify right side
    1,009,945.04x = 875,708,166,297.33
  5. Step 5: Solve for x
    x = 875,708,166,297.33/1,009,945.04
  6. Step 6: Final answer
    x = 867,084.97

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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.