Home / 1,631,786.85-2,447,311.32-620,548.43

Finding the Fourth Proportional to 1,631,786.85, 2,447,311.32 and 620,548.43

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Solution

The fourth proportional to 1,631,786.85, 2,447,311.32 and 620,548.43 is: 930,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,786.85 : 2,447,311.32 = 620,548.43 : x
  2. Step 2: Convert to fraction form
    1,631,786.85/2,447,311.32 = 620,548.43/x
  3. Step 3: Cross multiply
    1,631,786.85x = 2,447,311.32 × 620,548.43
  4. Step 4: Simplify right side
    1,631,786.85x = 1,518,675,185,110.67
  5. Step 5: Solve for x
    x = 1,518,675,185,110.67/1,631,786.85
  6. Step 6: Final answer
    x = 930,682.33

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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.