Home / 1,670,346.36-2,305,083.83-906,399.86

Finding the Fourth Proportional to 1,670,346.36, 2,305,083.83 and 906,399.86

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Solution

The fourth proportional to 1,670,346.36, 2,305,083.83 and 906,399.86 is: 1,250,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,346.36 : 2,305,083.83 = 906,399.86 : x
  2. Step 2: Convert to fraction form
    1,670,346.36/2,305,083.83 = 906,399.86/x
  3. Step 3: Cross multiply
    1,670,346.36x = 2,305,083.83 × 906,399.86
  4. Step 4: Simplify right side
    1,670,346.36x = 2,089,327,644,742.85
  5. Step 5: Solve for x
    x = 2,089,327,644,742.85/1,670,346.36
  6. Step 6: Final answer
    x = 1,250,834.97

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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.