Home / 1,090,072.20-1,633,450.32-520,669.23

Finding the Fourth Proportional to 1,090,072.20, 1,633,450.32 and 520,669.23

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Solution

The fourth proportional to 1,090,072.20, 1,633,450.32 and 520,669.23 is: 780,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,072.20 : 1,633,450.32 = 520,669.23 : x
  2. Step 2: Convert to fraction form
    1,090,072.20/1,633,450.32 = 520,669.23/x
  3. Step 3: Cross multiply
    1,090,072.20x = 1,633,450.32 × 520,669.23
  4. Step 4: Simplify right side
    1,090,072.20x = 850,487,320,357.65
  5. Step 5: Solve for x
    x = 850,487,320,357.65/1,090,072.20
  6. Step 6: Final answer
    x = 780,211.92

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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.