Home / 1,670,447.32-2,305,218.78-906,500.88

Finding the Fourth Proportional to 1,670,447.32, 2,305,218.78 and 906,500.88

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Solution

The fourth proportional to 1,670,447.32, 2,305,218.78 and 906,500.88 is: 1,250,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,447.32 : 2,305,218.78 = 906,500.88 : x
  2. Step 2: Convert to fraction form
    1,670,447.32/2,305,218.78 = 906,500.88/x
  3. Step 3: Cross multiply
    1,670,447.32x = 2,305,218.78 × 906,500.88
  4. Step 4: Simplify right side
    1,670,447.32x = 2,089,682,852,662.53
  5. Step 5: Solve for x
    x = 2,089,682,852,662.53/1,670,447.32
  6. Step 6: Final answer
    x = 1,250,972.02

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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.