Home / 1,670,628.66-2,305,468.74-906,682.20

Finding the Fourth Proportional to 1,670,628.66, 2,305,468.74 and 906,682.20

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Solution

The fourth proportional to 1,670,628.66, 2,305,468.74 and 906,682.20 is: 1,251,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,628.66 : 2,305,468.74 = 906,682.20 : x
  2. Step 2: Convert to fraction form
    1,670,628.66/2,305,468.74 = 906,682.20/x
  3. Step 3: Cross multiply
    1,670,628.66x = 2,305,468.74 × 906,682.20
  4. Step 4: Simplify right side
    1,670,628.66x = 2,090,327,469,214.43
  5. Step 5: Solve for x
    x = 2,090,327,469,214.43/1,670,628.66
  6. Step 6: Final answer
    x = 1,251,222.08

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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.