Home / 1,339,635.92-1,848,689.88-727,783.76

Finding the Fourth Proportional to 1,339,635.92, 1,848,689.88 and 727,783.76

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Solution

The fourth proportional to 1,339,635.92, 1,848,689.88 and 727,783.76 is: 1,004,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,635.92 : 1,848,689.88 = 727,783.76 : x
  2. Step 2: Convert to fraction form
    1,339,635.92/1,848,689.88 = 727,783.76/x
  3. Step 3: Cross multiply
    1,339,635.92x = 1,848,689.88 × 727,783.76
  4. Step 4: Simplify right side
    1,339,635.92x = 1,345,446,471,940.35
  5. Step 5: Solve for x
    x = 1,345,446,471,940.35/1,339,635.92
  6. Step 6: Final answer
    x = 1,004,337.41

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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.