Home / 1,276,251.21-1,761,238.31-703,311.93

Finding the Fourth Proportional to 1,276,251.21, 1,761,238.31 and 703,311.93

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Solution

The fourth proportional to 1,276,251.21, 1,761,238.31 and 703,311.93 is: 970,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,251.21 : 1,761,238.31 = 703,311.93 : x
  2. Step 2: Convert to fraction form
    1,276,251.21/1,761,238.31 = 703,311.93/x
  3. Step 3: Cross multiply
    1,276,251.21x = 1,761,238.31 × 703,311.93
  4. Step 4: Simplify right side
    1,276,251.21x = 1,238,699,911,479.48
  5. Step 5: Solve for x
    x = 1,238,699,911,479.48/1,276,251.21
  6. Step 6: Final answer
    x = 970,576.88

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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.