Home / 1,150,876.80-1,728,129.60-677,923.20

Finding the Fourth Proportional to 1,150,876.80, 1,728,129.60 and 677,923.20

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Solution

The fourth proportional to 1,150,876.80, 1,728,129.60 and 677,923.20 is: 1,017,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,876.80 : 1,728,129.60 = 677,923.20 : x
  2. Step 2: Convert to fraction form
    1,150,876.80/1,728,129.60 = 677,923.20/x
  3. Step 3: Cross multiply
    1,150,876.80x = 1,728,129.60 × 677,923.20
  4. Step 4: Simplify right side
    1,150,876.80x = 1,171,539,148,446.72
  5. Step 5: Solve for x
    x = 1,171,539,148,446.72/1,150,876.80
  6. Step 6: Final answer
    x = 1,017,953.57

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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.