Home / 1,274,504.31-1,758,610.10-730,540

Finding the Fourth Proportional to 1,274,504.31, 1,758,610.10 and 730,540

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Solution

The fourth proportional to 1,274,504.31, 1,758,610.10 and 730,540 is: 1,008,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,504.31 : 1,758,610.10 = 730,540 : x
  2. Step 2: Convert to fraction form
    1,274,504.31/1,758,610.10 = 730,540/x
  3. Step 3: Cross multiply
    1,274,504.31x = 1,758,610.10 × 730,540
  4. Step 4: Simplify right side
    1,274,504.31x = 1,284,735,022,454
  5. Step 5: Solve for x
    x = 1,284,735,022,454/1,274,504.31
  6. Step 6: Final answer
    x = 1,008,027.21

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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.