Home / 1,255,649.82-1,732,787.98-682,689.98

Finding the Fourth Proportional to 1,255,649.82, 1,732,787.98 and 682,689.98

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Solution

The fourth proportional to 1,255,649.82, 1,732,787.98 and 682,689.98 is: 942,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,649.82 : 1,732,787.98 = 682,689.98 : x
  2. Step 2: Convert to fraction form
    1,255,649.82/1,732,787.98 = 682,689.98/x
  3. Step 3: Cross multiply
    1,255,649.82x = 1,732,787.98 × 682,689.98
  4. Step 4: Simplify right side
    1,255,649.82x = 1,182,956,991,410.44
  5. Step 5: Solve for x
    x = 1,182,956,991,410.44/1,255,649.82
  6. Step 6: Final answer
    x = 942,107.40

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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.