Home / 1,276,710.04-1,761,859.44-703,759.78

Finding the Fourth Proportional to 1,276,710.04, 1,761,859.44 and 703,759.78

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Solution

The fourth proportional to 1,276,710.04, 1,761,859.44 and 703,759.78 is: 971,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,710.04 : 1,761,859.44 = 703,759.78 : x
  2. Step 2: Convert to fraction form
    1,276,710.04/1,761,859.44 = 703,759.78/x
  3. Step 3: Cross multiply
    1,276,710.04x = 1,761,859.44 × 703,759.78
  4. Step 4: Simplify right side
    1,276,710.04x = 1,239,925,811,885.32
  5. Step 5: Solve for x
    x = 1,239,925,811,885.32/1,276,710.04
  6. Step 6: Final answer
    x = 971,188.27

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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.