Home / 1,372,887.72-2,059,919.64-663,444.36

Finding the Fourth Proportional to 1,372,887.72, 2,059,919.64 and 663,444.36

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Solution

The fourth proportional to 1,372,887.72, 2,059,919.64 and 663,444.36 is: 995,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,887.72 : 2,059,919.64 = 663,444.36 : x
  2. Step 2: Convert to fraction form
    1,372,887.72/2,059,919.64 = 663,444.36/x
  3. Step 3: Cross multiply
    1,372,887.72x = 2,059,919.64 × 663,444.36
  4. Step 4: Simplify right side
    1,372,887.72x = 1,366,642,067,211.23
  5. Step 5: Solve for x
    x = 1,366,642,067,211.23/1,372,887.72
  6. Step 6: Final answer
    x = 995,450.72

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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.