Home / 881,628.60-1,325,261.70-819,226.20

Finding the Fourth Proportional to 881,628.60, 1,325,261.70 and 819,226.20

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Solution

The fourth proportional to 881,628.60, 1,325,261.70 and 819,226.20 is: 1,231,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,628.60 : 1,325,261.70 = 819,226.20 : x
  2. Step 2: Convert to fraction form
    881,628.60/1,325,261.70 = 819,226.20/x
  3. Step 3: Cross multiply
    881,628.60x = 1,325,261.70 × 819,226.20
  4. Step 4: Simplify right side
    881,628.60x = 1,085,689,106,496.54
  5. Step 5: Solve for x
    x = 1,085,689,106,496.54/881,628.60
  6. Step 6: Final answer
    x = 1,231,458.58

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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.