Home / 1,245,963.20-1,719,429.90-673,003.37

Finding the Fourth Proportional to 1,245,963.20, 1,719,429.90 and 673,003.37

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Solution

The fourth proportional to 1,245,963.20, 1,719,429.90 and 673,003.37 is: 928,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,963.20 : 1,719,429.90 = 673,003.37 : x
  2. Step 2: Convert to fraction form
    1,245,963.20/1,719,429.90 = 673,003.37/x
  3. Step 3: Cross multiply
    1,245,963.20x = 1,719,429.90 × 673,003.37
  4. Step 4: Simplify right side
    1,245,963.20x = 1,157,182,117,178.76
  5. Step 5: Solve for x
    x = 1,157,182,117,178.76/1,245,963.20
  6. Step 6: Final answer
    x = 928,745.02

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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.