Home / 1,264,029.39-1,744,401.92-720,188.10

Finding the Fourth Proportional to 1,264,029.39, 1,744,401.92 and 720,188.10

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Solution

The fourth proportional to 1,264,029.39, 1,744,401.92 and 720,188.10 is: 993,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,029.39 : 1,744,401.92 = 720,188.10 : x
  2. Step 2: Convert to fraction form
    1,264,029.39/1,744,401.92 = 720,188.10/x
  3. Step 3: Cross multiply
    1,264,029.39x = 1,744,401.92 × 720,188.10
  4. Step 4: Simplify right side
    1,264,029.39x = 1,256,297,500,800.21
  5. Step 5: Solve for x
    x = 1,256,297,500,800.21/1,264,029.39
  6. Step 6: Final answer
    x = 993,883.14

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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.