Home / 1,009,937.54-1,394,218.85-628,087.34

Finding the Fourth Proportional to 1,009,937.54, 1,394,218.85 and 628,087.34

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Solution

The fourth proportional to 1,009,937.54, 1,394,218.85 and 628,087.34 is: 867,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,937.54 : 1,394,218.85 = 628,087.34 : x
  2. Step 2: Convert to fraction form
    1,009,937.54/1,394,218.85 = 628,087.34/x
  3. Step 3: Cross multiply
    1,009,937.54x = 1,394,218.85 × 628,087.34
  4. Step 4: Simplify right side
    1,009,937.54x = 875,691,208,874.36
  5. Step 5: Solve for x
    x = 875,691,208,874.36/1,009,937.54
  6. Step 6: Final answer
    x = 867,074.62

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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.