Home / 1,276,748.24-1,761,924.68-703,808.91

Finding the Fourth Proportional to 1,276,748.24, 1,761,924.68 and 703,808.91

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Solution

The fourth proportional to 1,276,748.24, 1,761,924.68 and 703,808.91 is: 971,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,748.24 : 1,761,924.68 = 703,808.91 : x
  2. Step 2: Convert to fraction form
    1,276,748.24/1,761,924.68 = 703,808.91/x
  3. Step 3: Cross multiply
    1,276,748.24x = 1,761,924.68 × 703,808.91
  4. Step 4: Simplify right side
    1,276,748.24x = 1,240,058,285,013.85
  5. Step 5: Solve for x
    x = 1,240,058,285,013.85/1,276,748.24
  6. Step 6: Final answer
    x = 971,262.97

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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.