Home / 1,298,086.64-1,800,524.18-1,263,561.20

Finding the Fourth Proportional to 1,298,086.64, 1,800,524.18 and 1,263,561.20

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Solution

The fourth proportional to 1,298,086.64, 1,800,524.18 and 1,263,561.20 is: 1,752,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,086.64 : 1,800,524.18 = 1,263,561.20 : x
  2. Step 2: Convert to fraction form
    1,298,086.64/1,800,524.18 = 1,263,561.20/x
  3. Step 3: Cross multiply
    1,298,086.64x = 1,800,524.18 × 1,263,561.20
  4. Step 4: Simplify right side
    1,298,086.64x = 2,275,072,493,509.82
  5. Step 5: Solve for x
    x = 2,275,072,493,509.82/1,298,086.64
  6. Step 6: Final answer
    x = 1,752,635.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.