Home / 1,276,375.60-1,761,398.34-703,415.76

Finding the Fourth Proportional to 1,276,375.60, 1,761,398.34 and 703,415.76

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Solution

The fourth proportional to 1,276,375.60, 1,761,398.34 and 703,415.76 is: 970,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,375.60 : 1,761,398.34 = 703,415.76 : x
  2. Step 2: Convert to fraction form
    1,276,375.60/1,761,398.34 = 703,415.76/x
  3. Step 3: Cross multiply
    1,276,375.60x = 1,761,398.34 × 703,415.76
  4. Step 4: Simplify right side
    1,276,375.60x = 1,238,995,351,993.84
  5. Step 5: Solve for x
    x = 1,238,995,351,993.84/1,276,375.60
  6. Step 6: Final answer
    x = 970,713.76

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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.