Home / 1,670,450.82-2,305,223.63-906,504.38

Finding the Fourth Proportional to 1,670,450.82, 2,305,223.63 and 906,504.38

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Solution

The fourth proportional to 1,670,450.82, 2,305,223.63 and 906,504.38 is: 1,250,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,450.82 : 2,305,223.63 = 906,504.38 : x
  2. Step 2: Convert to fraction form
    1,670,450.82/2,305,223.63 = 906,504.38/x
  3. Step 3: Cross multiply
    1,670,450.82x = 2,305,223.63 × 906,504.38
  4. Step 4: Simplify right side
    1,670,450.82x = 2,089,695,317,474.50
  5. Step 5: Solve for x
    x = 2,089,695,317,474.50/1,670,450.82
  6. Step 6: Final answer
    x = 1,250,976.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.