Home / 1,367,657.70-1,887,439.87-823,964.64

Finding the Fourth Proportional to 1,367,657.70, 1,887,439.87 and 823,964.64

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Solution

The fourth proportional to 1,367,657.70, 1,887,439.87 and 823,964.64 is: 1,137,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,657.70 : 1,887,439.87 = 823,964.64 : x
  2. Step 2: Convert to fraction form
    1,367,657.70/1,887,439.87 = 823,964.64/x
  3. Step 3: Cross multiply
    1,367,657.70x = 1,887,439.87 × 823,964.64
  4. Step 4: Simplify right side
    1,367,657.70x = 1,555,183,713,006.20
  5. Step 5: Solve for x
    x = 1,555,183,713,006.20/1,367,657.70
  6. Step 6: Final answer
    x = 1,137,114.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.