Home / 1,339,436.67-2,009,431.77-440,932.32

Finding the Fourth Proportional to 1,339,436.67, 2,009,431.77 and 440,932.32

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Solution

The fourth proportional to 1,339,436.67, 2,009,431.77 and 440,932.32 is: 661,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,436.67 : 2,009,431.77 = 440,932.32 : x
  2. Step 2: Convert to fraction form
    1,339,436.67/2,009,431.77 = 440,932.32/x
  3. Step 3: Cross multiply
    1,339,436.67x = 2,009,431.77 × 440,932.32
  4. Step 4: Simplify right side
    1,339,436.67x = 886,023,410,574.31
  5. Step 5: Solve for x
    x = 886,023,410,574.31/1,339,436.67
  6. Step 6: Final answer
    x = 661,489.59

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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.