Home / 881,470.20-1,322,205.30-828,326.10

Finding the Fourth Proportional to 881,470.20, 1,322,205.30 and 828,326.10

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Solution

The fourth proportional to 881,470.20, 1,322,205.30 and 828,326.10 is: 1,242,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,470.20 : 1,322,205.30 = 828,326.10 : x
  2. Step 2: Convert to fraction form
    881,470.20/1,322,205.30 = 828,326.10/x
  3. Step 3: Cross multiply
    881,470.20x = 1,322,205.30 × 828,326.10
  4. Step 4: Simplify right side
    881,470.20x = 1,095,217,159,548.33
  5. Step 5: Solve for x
    x = 1,095,217,159,548.33/881,470.20
  6. Step 6: Final answer
    x = 1,242,489.15

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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.