Home / 1,276,780.73-1,761,969.38-703,841.40

Finding the Fourth Proportional to 1,276,780.73, 1,761,969.38 and 703,841.40

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Solution

The fourth proportional to 1,276,780.73, 1,761,969.38 and 703,841.40 is: 971,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,780.73 : 1,761,969.38 = 703,841.40 : x
  2. Step 2: Convert to fraction form
    1,276,780.73/1,761,969.38 = 703,841.40/x
  3. Step 3: Cross multiply
    1,276,780.73x = 1,761,969.38 × 703,841.40
  4. Step 4: Simplify right side
    1,276,780.73x = 1,240,146,991,657.13
  5. Step 5: Solve for x
    x = 1,240,146,991,657.13/1,276,780.73
  6. Step 6: Final answer
    x = 971,307.73

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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.