Home / 871,481.14-1,303,208.56-828,965.86

Finding the Fourth Proportional to 871,481.14, 1,303,208.56 and 828,965.86

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Solution

The fourth proportional to 871,481.14, 1,303,208.56 and 828,965.86 is: 1,239,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,481.14 : 1,303,208.56 = 828,965.86 : x
  2. Step 2: Convert to fraction form
    871,481.14/1,303,208.56 = 828,965.86/x
  3. Step 3: Cross multiply
    871,481.14x = 1,303,208.56 × 828,965.86
  4. Step 4: Simplify right side
    871,481.14x = 1,080,315,397,815.01
  5. Step 5: Solve for x
    x = 1,080,315,397,815.01/871,481.14
  6. Step 6: Final answer
    x = 1,239,631.42

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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.