Home / 1,276,164.36-1,761,143.88-703,241.52

Finding the Fourth Proportional to 1,276,164.36, 1,761,143.88 and 703,241.52

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Solution

The fourth proportional to 1,276,164.36, 1,761,143.88 and 703,241.52 is: 970,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,164.36 : 1,761,143.88 = 703,241.52 : x
  2. Step 2: Convert to fraction form
    1,276,164.36/1,761,143.88 = 703,241.52/x
  3. Step 3: Cross multiply
    1,276,164.36x = 1,761,143.88 × 703,241.52
  4. Step 4: Simplify right side
    1,276,164.36x = 1,238,509,499,109.90
  5. Step 5: Solve for x
    x = 1,238,509,499,109.90/1,276,164.36
  6. Step 6: Final answer
    x = 970,493.72

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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.