Home / 1,276,367.92-1,761,378.90-703,408.56

Finding the Fourth Proportional to 1,276,367.92, 1,761,378.90 and 703,408.56

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Solution

The fourth proportional to 1,276,367.92, 1,761,378.90 and 703,408.56 is: 970,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,367.92 : 1,761,378.90 = 703,408.56 : x
  2. Step 2: Convert to fraction form
    1,276,367.92/1,761,378.90 = 703,408.56/x
  3. Step 3: Cross multiply
    1,276,367.92x = 1,761,378.90 × 703,408.56
  4. Step 4: Simplify right side
    1,276,367.92x = 1,238,968,995,663.38
  5. Step 5: Solve for x
    x = 1,238,968,995,663.38/1,276,367.92
  6. Step 6: Final answer
    x = 970,698.95

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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.