Home / 1,276,366.22-1,761,385.40-703,406.39

Finding the Fourth Proportional to 1,276,366.22, 1,761,385.40 and 703,406.39

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Solution

The fourth proportional to 1,276,366.22, 1,761,385.40 and 703,406.39 is: 970,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,366.22 : 1,761,385.40 = 703,406.39 : x
  2. Step 2: Convert to fraction form
    1,276,366.22/1,761,385.40 = 703,406.39/x
  3. Step 3: Cross multiply
    1,276,366.22x = 1,761,385.40 × 703,406.39
  4. Step 4: Simplify right side
    1,276,366.22x = 1,238,969,735,926.52
  5. Step 5: Solve for x
    x = 1,238,969,735,926.52/1,276,366.22
  6. Step 6: Final answer
    x = 970,700.82

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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.