Home / 1,009,940.58-1,394,223.04-628,090.38

Finding the Fourth Proportional to 1,009,940.58, 1,394,223.04 and 628,090.38

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Solution

The fourth proportional to 1,009,940.58, 1,394,223.04 and 628,090.38 is: 867,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,940.58 : 1,394,223.04 = 628,090.38 : x
  2. Step 2: Convert to fraction form
    1,009,940.58/1,394,223.04 = 628,090.38/x
  3. Step 3: Cross multiply
    1,009,940.58x = 1,394,223.04 × 628,090.38
  4. Step 4: Simplify right side
    1,009,940.58x = 875,698,078,998.36
  5. Step 5: Solve for x
    x = 875,698,078,998.36/1,009,940.58
  6. Step 6: Final answer
    x = 867,078.81

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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.