Home / 1,748,039.82-2,622,045.12-485,863.80

Finding the Fourth Proportional to 1,748,039.82, 2,622,045.12 and 485,863.80

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Solution

The fourth proportional to 1,748,039.82, 2,622,045.12 and 485,863.80 is: 728,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,039.82 : 2,622,045.12 = 485,863.80 : x
  2. Step 2: Convert to fraction form
    1,748,039.82/2,622,045.12 = 485,863.80/x
  3. Step 3: Cross multiply
    1,748,039.82x = 2,622,045.12 × 485,863.80
  4. Step 4: Simplify right side
    1,748,039.82x = 1,273,956,805,774.66
  5. Step 5: Solve for x
    x = 1,273,956,805,774.66/1,748,039.82
  6. Step 6: Final answer
    x = 728,791.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.