Home / 1,276,308.56-1,761,305.82-703,348.73

Finding the Fourth Proportional to 1,276,308.56, 1,761,305.82 and 703,348.73

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Solution

The fourth proportional to 1,276,308.56, 1,761,305.82 and 703,348.73 is: 970,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,308.56 : 1,761,305.82 = 703,348.73 : x
  2. Step 2: Convert to fraction form
    1,276,308.56/1,761,305.82 = 703,348.73/x
  3. Step 3: Cross multiply
    1,276,308.56x = 1,761,305.82 × 703,348.73
  4. Step 4: Simplify right side
    1,276,308.56x = 1,238,812,216,706.76
  5. Step 5: Solve for x
    x = 1,238,812,216,706.76/1,276,308.56
  6. Step 6: Final answer
    x = 970,621.25

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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.