Home / 1,280,767.24-1,921,148.92-334,137.96

Finding the Fourth Proportional to 1,280,767.24, 1,921,148.92 and 334,137.96

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Solution

The fourth proportional to 1,280,767.24, 1,921,148.92 and 334,137.96 is: 501,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,767.24 : 1,921,148.92 = 334,137.96 : x
  2. Step 2: Convert to fraction form
    1,280,767.24/1,921,148.92 = 334,137.96/x
  3. Step 3: Cross multiply
    1,280,767.24x = 1,921,148.92 × 334,137.96
  4. Step 4: Simplify right side
    1,280,767.24x = 641,928,781,402.68
  5. Step 5: Solve for x
    x = 641,928,781,402.68/1,280,767.24
  6. Step 6: Final answer
    x = 501,206.43

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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.