Home / 1,631,407.75-2,251,266.30-906,299.69

Finding the Fourth Proportional to 1,631,407.75, 2,251,266.30 and 906,299.69

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Solution

The fourth proportional to 1,631,407.75, 2,251,266.30 and 906,299.69 is: 1,250,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,407.75 : 2,251,266.30 = 906,299.69 : x
  2. Step 2: Convert to fraction form
    1,631,407.75/2,251,266.30 = 906,299.69/x
  3. Step 3: Cross multiply
    1,631,407.75x = 2,251,266.30 × 906,299.69
  4. Step 4: Simplify right side
    1,631,407.75x = 2,040,321,938,541.12
  5. Step 5: Solve for x
    x = 2,040,321,938,541.12/1,631,407.75
  6. Step 6: Final answer
    x = 1,250,651.13

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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.