Home / 1,276,322.78-1,761,337.50-703,383.86

Finding the Fourth Proportional to 1,276,322.78, 1,761,337.50 and 703,383.86

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Solution

The fourth proportional to 1,276,322.78, 1,761,337.50 and 703,383.86 is: 970,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,322.78 : 1,761,337.50 = 703,383.86 : x
  2. Step 2: Convert to fraction form
    1,276,322.78/1,761,337.50 = 703,383.86/x
  3. Step 3: Cross multiply
    1,276,322.78x = 1,761,337.50 × 703,383.86
  4. Step 4: Simplify right side
    1,276,322.78x = 1,238,896,369,512.75
  5. Step 5: Solve for x
    x = 1,238,896,369,512.75/1,276,322.78
  6. Step 6: Final answer
    x = 970,676.38

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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.