Home / 1,265,817.14-1,746,482.21-721,754.54

Finding the Fourth Proportional to 1,265,817.14, 1,746,482.21 and 721,754.54

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Solution

The fourth proportional to 1,265,817.14, 1,746,482.21 and 721,754.54 is: 995,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,817.14 : 1,746,482.21 = 721,754.54 : x
  2. Step 2: Convert to fraction form
    1,265,817.14/1,746,482.21 = 721,754.54/x
  3. Step 3: Cross multiply
    1,265,817.14x = 1,746,482.21 × 721,754.54
  4. Step 4: Simplify right side
    1,265,817.14x = 1,260,531,464,096.73
  5. Step 5: Solve for x
    x = 1,260,531,464,096.73/1,265,817.14
  6. Step 6: Final answer
    x = 995,824.30

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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.