Home / 1,065,252.80-1,597,879.20-667,121.60

Finding the Fourth Proportional to 1,065,252.80, 1,597,879.20 and 667,121.60

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Solution

The fourth proportional to 1,065,252.80, 1,597,879.20 and 667,121.60 is: 1,000,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,252.80 : 1,597,879.20 = 667,121.60 : x
  2. Step 2: Convert to fraction form
    1,065,252.80/1,597,879.20 = 667,121.60/x
  3. Step 3: Cross multiply
    1,065,252.80x = 1,597,879.20 × 667,121.60
  4. Step 4: Simplify right side
    1,065,252.80x = 1,065,979,728,510.72
  5. Step 5: Solve for x
    x = 1,065,979,728,510.72/1,065,252.80
  6. Step 6: Final answer
    x = 1,000,682.40

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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.