Home / 1,755,930.80-2,633,896.20-426,234.80

Finding the Fourth Proportional to 1,755,930.80, 2,633,896.20 and 426,234.80

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Solution

The fourth proportional to 1,755,930.80, 2,633,896.20 and 426,234.80 is: 639,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,930.80 : 2,633,896.20 = 426,234.80 : x
  2. Step 2: Convert to fraction form
    1,755,930.80/2,633,896.20 = 426,234.80/x
  3. Step 3: Cross multiply
    1,755,930.80x = 2,633,896.20 × 426,234.80
  4. Step 4: Simplify right side
    1,755,930.80x = 1,122,658,220,027.76
  5. Step 5: Solve for x
    x = 1,122,658,220,027.76/1,755,930.80
  6. Step 6: Final answer
    x = 639,352.20

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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.