Home / 1,276,372.96-1,761,406.32-703,433.92

Finding the Fourth Proportional to 1,276,372.96, 1,761,406.32 and 703,433.92

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Solution

The fourth proportional to 1,276,372.96, 1,761,406.32 and 703,433.92 is: 970,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,372.96 : 1,761,406.32 = 703,433.92 : x
  2. Step 2: Convert to fraction form
    1,276,372.96/1,761,406.32 = 703,433.92/x
  3. Step 3: Cross multiply
    1,276,372.96x = 1,761,406.32 × 703,433.92
  4. Step 4: Simplify right side
    1,276,372.96x = 1,239,032,952,390.37
  5. Step 5: Solve for x
    x = 1,239,032,952,390.37/1,276,372.96
  6. Step 6: Final answer
    x = 970,745.22

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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.