Home / 1,339,324.88-2,009,278.31-440,857.89

Finding the Fourth Proportional to 1,339,324.88, 2,009,278.31 and 440,857.89

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Solution

The fourth proportional to 1,339,324.88, 2,009,278.31 and 440,857.89 is: 661,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,324.88 : 2,009,278.31 = 440,857.89 : x
  2. Step 2: Convert to fraction form
    1,339,324.88/2,009,278.31 = 440,857.89/x
  3. Step 3: Cross multiply
    1,339,324.88x = 2,009,278.31 × 440,857.89
  4. Step 4: Simplify right side
    1,339,324.88x = 885,806,193,965.08
  5. Step 5: Solve for x
    x = 885,806,193,965.08/1,339,324.88
  6. Step 6: Final answer
    x = 661,382.62

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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.