Home / 1,276,782.73-1,761,972.14-703,843.40

Finding the Fourth Proportional to 1,276,782.73, 1,761,972.14 and 703,843.40

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Solution

The fourth proportional to 1,276,782.73, 1,761,972.14 and 703,843.40 is: 971,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,782.73 : 1,761,972.14 = 703,843.40 : x
  2. Step 2: Convert to fraction form
    1,276,782.73/1,761,972.14 = 703,843.40/x
  3. Step 3: Cross multiply
    1,276,782.73x = 1,761,972.14 × 703,843.40
  4. Step 4: Simplify right side
    1,276,782.73x = 1,240,152,461,722.88
  5. Step 5: Solve for x
    x = 1,240,152,461,722.88/1,276,782.73
  6. Step 6: Final answer
    x = 971,310.49

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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.