Home / 1,327,105.28-1,831,406.16-723,493.28

Finding the Fourth Proportional to 1,327,105.28, 1,831,406.16 and 723,493.28

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Solution

The fourth proportional to 1,327,105.28, 1,831,406.16 and 723,493.28 is: 998,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,105.28 : 1,831,406.16 = 723,493.28 : x
  2. Step 2: Convert to fraction form
    1,327,105.28/1,831,406.16 = 723,493.28/x
  3. Step 3: Cross multiply
    1,327,105.28x = 1,831,406.16 × 723,493.28
  4. Step 4: Simplify right side
    1,327,105.28x = 1,325,010,049,710.60
  5. Step 5: Solve for x
    x = 1,325,010,049,710.60/1,327,105.28
  6. Step 6: Final answer
    x = 998,421.20

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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.