Home / 1,261,597.14-1,890,458.46-856,262.88

Finding the Fourth Proportional to 1,261,597.14, 1,890,458.46 and 856,262.88

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Solution

The fourth proportional to 1,261,597.14, 1,890,458.46 and 856,262.88 is: 1,283,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,597.14 : 1,890,458.46 = 856,262.88 : x
  2. Step 2: Convert to fraction form
    1,261,597.14/1,890,458.46 = 856,262.88/x
  3. Step 3: Cross multiply
    1,261,597.14x = 1,890,458.46 × 856,262.88
  4. Step 4: Simplify right side
    1,261,597.14x = 1,618,729,405,479.97
  5. Step 5: Solve for x
    x = 1,618,729,405,479.97/1,261,597.14
  6. Step 6: Final answer
    x = 1,283,079.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.