Home / 1,362,642.60-2,040,027.30-831,201.60

Finding the Fourth Proportional to 1,362,642.60, 2,040,027.30 and 831,201.60

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Solution

The fourth proportional to 1,362,642.60, 2,040,027.30 and 831,201.60 is: 1,244,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,642.60 : 2,040,027.30 = 831,201.60 : x
  2. Step 2: Convert to fraction form
    1,362,642.60/2,040,027.30 = 831,201.60/x
  3. Step 3: Cross multiply
    1,362,642.60x = 2,040,027.30 × 831,201.60
  4. Step 4: Simplify right side
    1,362,642.60x = 1,695,673,955,803.68
  5. Step 5: Solve for x
    x = 1,695,673,955,803.68/1,362,642.60
  6. Step 6: Final answer
    x = 1,244,401.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.