Home / 1,276,754.08-1,761,926.40-703,781.92

Finding the Fourth Proportional to 1,276,754.08, 1,761,926.40 and 703,781.92

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Solution

The fourth proportional to 1,276,754.08, 1,761,926.40 and 703,781.92 is: 971,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,754.08 : 1,761,926.40 = 703,781.92 : x
  2. Step 2: Convert to fraction form
    1,276,754.08/1,761,926.40 = 703,781.92/x
  3. Step 3: Cross multiply
    1,276,754.08x = 1,761,926.40 × 703,781.92
  4. Step 4: Simplify right side
    1,276,754.08x = 1,240,011,944,690.69
  5. Step 5: Solve for x
    x = 1,240,011,944,690.69/1,276,754.08
  6. Step 6: Final answer
    x = 971,222.23

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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.