Home / 1,261,634.90-1,741,051.13-688,675.52

Finding the Fourth Proportional to 1,261,634.90, 1,741,051.13 and 688,675.52

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Solution

The fourth proportional to 1,261,634.90, 1,741,051.13 and 688,675.52 is: 950,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,634.90 : 1,741,051.13 = 688,675.52 : x
  2. Step 2: Convert to fraction form
    1,261,634.90/1,741,051.13 = 688,675.52/x
  3. Step 3: Cross multiply
    1,261,634.90x = 1,741,051.13 × 688,675.52
  4. Step 4: Simplify right side
    1,261,634.90x = 1,199,019,293,208.59
  5. Step 5: Solve for x
    x = 1,199,019,293,208.59/1,261,634.90
  6. Step 6: Final answer
    x = 950,369.48

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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.