Home / 1,276,710.32-1,761,859.80-703,760.06

Finding the Fourth Proportional to 1,276,710.32, 1,761,859.80 and 703,760.06

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Solution

The fourth proportional to 1,276,710.32, 1,761,859.80 and 703,760.06 is: 971,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,710.32 : 1,761,859.80 = 703,760.06 : x
  2. Step 2: Convert to fraction form
    1,276,710.32/1,761,859.80 = 703,760.06/x
  3. Step 3: Cross multiply
    1,276,710.32x = 1,761,859.80 × 703,760.06
  4. Step 4: Simplify right side
    1,276,710.32x = 1,239,926,558,559.59
  5. Step 5: Solve for x
    x = 1,239,926,558,559.59/1,276,710.32
  6. Step 6: Final answer
    x = 971,188.64

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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.