Home / 1,015,795.82-1,401,941.03-628,735.39

Finding the Fourth Proportional to 1,015,795.82, 1,401,941.03 and 628,735.39

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Solution

The fourth proportional to 1,015,795.82, 1,401,941.03 and 628,735.39 is: 867,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,795.82 : 1,401,941.03 = 628,735.39 : x
  2. Step 2: Convert to fraction form
    1,015,795.82/1,401,941.03 = 628,735.39/x
  3. Step 3: Cross multiply
    1,015,795.82x = 1,401,941.03 × 628,735.39
  4. Step 4: Simplify right side
    1,015,795.82x = 881,449,940,254.05
  5. Step 5: Solve for x
    x = 881,449,940,254.05/1,015,795.82
  6. Step 6: Final answer
    x = 867,743.22

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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.