Home / 1,021,003.48-1,405,946.10-998,346.97

Finding the Fourth Proportional to 1,021,003.48, 1,405,946.10 and 998,346.97

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Solution

The fourth proportional to 1,021,003.48, 1,405,946.10 and 998,346.97 is: 1,374,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,003.48 : 1,405,946.10 = 998,346.97 : x
  2. Step 2: Convert to fraction form
    1,021,003.48/1,405,946.10 = 998,346.97/x
  3. Step 3: Cross multiply
    1,021,003.48x = 1,405,946.10 × 998,346.97
  4. Step 4: Simplify right side
    1,021,003.48x = 1,403,622,028,918.32
  5. Step 5: Solve for x
    x = 1,403,622,028,918.32/1,021,003.48
  6. Step 6: Final answer
    x = 1,374,747.55

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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.