Home / 1,670,449.37-2,305,221.65-906,502.94

Finding the Fourth Proportional to 1,670,449.37, 2,305,221.65 and 906,502.94

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Solution

The fourth proportional to 1,670,449.37, 2,305,221.65 and 906,502.94 is: 1,250,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,449.37 : 2,305,221.65 = 906,502.94 : x
  2. Step 2: Convert to fraction form
    1,670,449.37/2,305,221.65 = 906,502.94/x
  3. Step 3: Cross multiply
    1,670,449.37x = 2,305,221.65 × 906,502.94
  4. Step 4: Simplify right side
    1,670,449.37x = 2,089,690,205,440.32
  5. Step 5: Solve for x
    x = 2,089,690,205,440.32/1,670,449.37
  6. Step 6: Final answer
    x = 1,250,974.88

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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.