Home / 1,245,717.24-1,719,089.64-672,757.32

Finding the Fourth Proportional to 1,245,717.24, 1,719,089.64 and 672,757.32

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Solution

The fourth proportional to 1,245,717.24, 1,719,089.64 and 672,757.32 is: 928,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,717.24 : 1,719,089.64 = 672,757.32 : x
  2. Step 2: Convert to fraction form
    1,245,717.24/1,719,089.64 = 672,757.32/x
  3. Step 3: Cross multiply
    1,245,717.24x = 1,719,089.64 × 672,757.32
  4. Step 4: Simplify right side
    1,245,717.24x = 1,156,530,139,046.16
  5. Step 5: Solve for x
    x = 1,156,530,139,046.16/1,245,717.24
  6. Step 6: Final answer
    x = 928,405.02

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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.