Home / 1,276,298.86-1,761,329.36-703,375.94

Finding the Fourth Proportional to 1,276,298.86, 1,761,329.36 and 703,375.94

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Solution

The fourth proportional to 1,276,298.86, 1,761,329.36 and 703,375.94 is: 970,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,298.86 : 1,761,329.36 = 703,375.94 : x
  2. Step 2: Convert to fraction form
    1,276,298.86/1,761,329.36 = 703,375.94/x
  3. Step 3: Cross multiply
    1,276,298.86x = 1,761,329.36 × 703,375.94
  4. Step 4: Simplify right side
    1,276,298.86x = 1,238,876,686,537.39
  5. Step 5: Solve for x
    x = 1,238,876,686,537.39/1,276,298.86
  6. Step 6: Final answer
    x = 970,679.15

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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.