Home / 1,670,418.39-2,305,183.44-906,471.75

Finding the Fourth Proportional to 1,670,418.39, 2,305,183.44 and 906,471.75

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Solution

The fourth proportional to 1,670,418.39, 2,305,183.44 and 906,471.75 is: 1,250,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,418.39 : 2,305,183.44 = 906,471.75 : x
  2. Step 2: Convert to fraction form
    1,670,418.39/2,305,183.44 = 906,471.75/x
  3. Step 3: Cross multiply
    1,670,418.39x = 2,305,183.44 × 906,471.75
  4. Step 4: Simplify right side
    1,670,418.39x = 2,089,583,666,927.82
  5. Step 5: Solve for x
    x = 2,089,583,666,927.82/1,670,418.39
  6. Step 6: Final answer
    x = 1,250,934.30

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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.