Home / 1,015,826.40-1,522,357.20-719,992.80

Finding the Fourth Proportional to 1,015,826.40, 1,522,357.20 and 719,992.80

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Solution

The fourth proportional to 1,015,826.40, 1,522,357.20 and 719,992.80 is: 1,079,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,826.40 : 1,522,357.20 = 719,992.80 : x
  2. Step 2: Convert to fraction form
    1,015,826.40/1,522,357.20 = 719,992.80/x
  3. Step 3: Cross multiply
    1,015,826.40x = 1,522,357.20 × 719,992.80
  4. Step 4: Simplify right side
    1,015,826.40x = 1,096,086,223,028.16
  5. Step 5: Solve for x
    x = 1,096,086,223,028.16/1,015,826.40
  6. Step 6: Final answer
    x = 1,079,009.39

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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.