Home / 1,192,331.34-1,645,401.20-648,455.42

Finding the Fourth Proportional to 1,192,331.34, 1,645,401.20 and 648,455.42

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Solution

The fourth proportional to 1,192,331.34, 1,645,401.20 and 648,455.42 is: 894,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,331.34 : 1,645,401.20 = 648,455.42 : x
  2. Step 2: Convert to fraction form
    1,192,331.34/1,645,401.20 = 648,455.42/x
  3. Step 3: Cross multiply
    1,192,331.34x = 1,645,401.20 × 648,455.42
  4. Step 4: Simplify right side
    1,192,331.34x = 1,066,969,327,085.73
  5. Step 5: Solve for x
    x = 1,066,969,327,085.73/1,192,331.34
  6. Step 6: Final answer
    x = 894,859.75

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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.