Home / 1,755,625.78-2,633,438.67-425,929.78

Finding the Fourth Proportional to 1,755,625.78, 2,633,438.67 and 425,929.78

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Solution

The fourth proportional to 1,755,625.78, 2,633,438.67 and 425,929.78 is: 638,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,625.78 : 2,633,438.67 = 425,929.78 : x
  2. Step 2: Convert to fraction form
    1,755,625.78/2,633,438.67 = 425,929.78/x
  3. Step 3: Cross multiply
    1,755,625.78x = 2,633,438.67 × 425,929.78
  4. Step 4: Simplify right side
    1,755,625.78x = 1,121,659,957,447.01
  5. Step 5: Solve for x
    x = 1,121,659,957,447.01/1,755,625.78
  6. Step 6: Final answer
    x = 638,894.67

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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.