Home / 1,339,340.40-2,009,010.60-940,431.60

Finding the Fourth Proportional to 1,339,340.40, 2,009,010.60 and 940,431.60

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Solution

The fourth proportional to 1,339,340.40, 2,009,010.60 and 940,431.60 is: 1,410,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,340.40 : 2,009,010.60 = 940,431.60 : x
  2. Step 2: Convert to fraction form
    1,339,340.40/2,009,010.60 = 940,431.60/x
  3. Step 3: Cross multiply
    1,339,340.40x = 2,009,010.60 × 940,431.60
  4. Step 4: Simplify right side
    1,339,340.40x = 1,889,337,052,974.96
  5. Step 5: Solve for x
    x = 1,889,337,052,974.96/1,339,340.40
  6. Step 6: Final answer
    x = 1,410,647.40

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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.