Home / 1,276,022.80-1,760,932.20-703,054.72

Finding the Fourth Proportional to 1,276,022.80, 1,760,932.20 and 703,054.72

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Solution

The fourth proportional to 1,276,022.80, 1,760,932.20 and 703,054.72 is: 970,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,022.80 : 1,760,932.20 = 703,054.72 : x
  2. Step 2: Convert to fraction form
    1,276,022.80/1,760,932.20 = 703,054.72/x
  3. Step 3: Cross multiply
    1,276,022.80x = 1,760,932.20 × 703,054.72
  4. Step 4: Simplify right side
    1,276,022.80x = 1,238,031,694,809.98
  5. Step 5: Solve for x
    x = 1,238,031,694,809.98/1,276,022.80
  6. Step 6: Final answer
    x = 970,226.94

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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.