Home / 1,327,403.60-1,831,816.68-723,791.60

Finding the Fourth Proportional to 1,327,403.60, 1,831,816.68 and 723,791.60

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Solution

The fourth proportional to 1,327,403.60, 1,831,816.68 and 723,791.60 is: 998,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,403.60 : 1,831,816.68 = 723,791.60 : x
  2. Step 2: Convert to fraction form
    1,327,403.60/1,831,816.68 = 723,791.60/x
  3. Step 3: Cross multiply
    1,327,403.60x = 1,831,816.68 × 723,791.60
  4. Step 4: Simplify right side
    1,327,403.60x = 1,325,853,525,723.89
  5. Step 5: Solve for x
    x = 1,325,853,525,723.89/1,327,403.60
  6. Step 6: Final answer
    x = 998,832.25

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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.