Home / 1,276,110.45-1,761,110.87-703,150.47

Finding the Fourth Proportional to 1,276,110.45, 1,761,110.87 and 703,150.47

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Solution

The fourth proportional to 1,276,110.45, 1,761,110.87 and 703,150.47 is: 970,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,110.45 : 1,761,110.87 = 703,150.47 : x
  2. Step 2: Convert to fraction form
    1,276,110.45/1,761,110.87 = 703,150.47/x
  3. Step 3: Cross multiply
    1,276,110.45x = 1,761,110.87 × 703,150.47
  4. Step 4: Simplify right side
    1,276,110.45x = 1,238,325,935,962.61
  5. Step 5: Solve for x
    x = 1,238,325,935,962.61/1,276,110.45
  6. Step 6: Final answer
    x = 970,390.87

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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.