Home / 879,628.60-1,322,261.70-817,226.20

Finding the Fourth Proportional to 879,628.60, 1,322,261.70 and 817,226.20

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Solution

The fourth proportional to 879,628.60, 1,322,261.70 and 817,226.20 is: 1,228,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,628.60 : 1,322,261.70 = 817,226.20 : x
  2. Step 2: Convert to fraction form
    879,628.60/1,322,261.70 = 817,226.20/x
  3. Step 3: Cross multiply
    879,628.60x = 1,322,261.70 × 817,226.20
  4. Step 4: Simplify right side
    879,628.60x = 1,080,586,904,496.54
  5. Step 5: Solve for x
    x = 1,080,586,904,496.54/879,628.60
  6. Step 6: Final answer
    x = 1,228,458.13

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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.