Home / 1,115,202.04-1,538,928.66-631,757.32

Finding the Fourth Proportional to 1,115,202.04, 1,538,928.66 and 631,757.32

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Solution

The fourth proportional to 1,115,202.04, 1,538,928.66 and 631,757.32 is: 871,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,202.04 : 1,538,928.66 = 631,757.32 : x
  2. Step 2: Convert to fraction form
    1,115,202.04/1,538,928.66 = 631,757.32/x
  3. Step 3: Cross multiply
    1,115,202.04x = 1,538,928.66 × 631,757.32
  4. Step 4: Simplify right side
    1,115,202.04x = 972,229,445,912.79
  5. Step 5: Solve for x
    x = 972,229,445,912.79/1,115,202.04
  6. Step 6: Final answer
    x = 871,796.69

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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.