Home / 1,332,138.72-1,998,864.18-622,063.56

Finding the Fourth Proportional to 1,332,138.72, 1,998,864.18 and 622,063.56

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Solution

The fourth proportional to 1,332,138.72, 1,998,864.18 and 622,063.56 is: 933,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,138.72 : 1,998,864.18 = 622,063.56 : x
  2. Step 2: Convert to fraction form
    1,332,138.72/1,998,864.18 = 622,063.56/x
  3. Step 3: Cross multiply
    1,332,138.72x = 1,998,864.18 × 622,063.56
  4. Step 4: Simplify right side
    1,332,138.72x = 1,243,420,567,767.28
  5. Step 5: Solve for x
    x = 1,243,420,567,767.28/1,332,138.72
  6. Step 6: Final answer
    x = 933,401.72

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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.