Home / 1,255,644.82-1,732,781.08-682,684.98

Finding the Fourth Proportional to 1,255,644.82, 1,732,781.08 and 682,684.98

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Solution

The fourth proportional to 1,255,644.82, 1,732,781.08 and 682,684.98 is: 942,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,644.82 : 1,732,781.08 = 682,684.98 : x
  2. Step 2: Convert to fraction form
    1,255,644.82/1,732,781.08 = 682,684.98/x
  3. Step 3: Cross multiply
    1,255,644.82x = 1,732,781.08 × 682,684.98
  4. Step 4: Simplify right side
    1,255,644.82x = 1,182,943,616,944.18
  5. Step 5: Solve for x
    x = 1,182,943,616,944.18/1,255,644.82
  6. Step 6: Final answer
    x = 942,100.50

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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.