Home / 1,555,344.20-2,332,794.78-490,247.84

Finding the Fourth Proportional to 1,555,344.20, 2,332,794.78 and 490,247.84

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Solution

The fourth proportional to 1,555,344.20, 2,332,794.78 and 490,247.84 is: 735,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,344.20 : 2,332,794.78 = 490,247.84 : x
  2. Step 2: Convert to fraction form
    1,555,344.20/2,332,794.78 = 490,247.84/x
  3. Step 3: Cross multiply
    1,555,344.20x = 2,332,794.78 × 490,247.84
  4. Step 4: Simplify right side
    1,555,344.20x = 1,143,647,602,058.28
  5. Step 5: Solve for x
    x = 1,143,647,602,058.28/1,555,344.20
  6. Step 6: Final answer
    x = 735,301.94

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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.