Home / 1,247,920.71-1,722,130.92-704,171.76

Finding the Fourth Proportional to 1,247,920.71, 1,722,130.92 and 704,171.76

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Solution

The fourth proportional to 1,247,920.71, 1,722,130.92 and 704,171.76 is: 971,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,920.71 : 1,722,130.92 = 704,171.76 : x
  2. Step 2: Convert to fraction form
    1,247,920.71/1,722,130.92 = 704,171.76/x
  3. Step 3: Cross multiply
    1,247,920.71x = 1,722,130.92 × 704,171.76
  4. Step 4: Simplify right side
    1,247,920.71x = 1,212,675,960,886.82
  5. Step 5: Solve for x
    x = 1,212,675,960,886.82/1,247,920.71
  6. Step 6: Final answer
    x = 971,757.22

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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.