Home / 1,409,963.57-2,115,745.22-761,531.73

Finding the Fourth Proportional to 1,409,963.57, 2,115,745.22 and 761,531.73

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Solution

The fourth proportional to 1,409,963.57, 2,115,745.22 and 761,531.73 is: 1,142,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,963.57 : 2,115,745.22 = 761,531.73 : x
  2. Step 2: Convert to fraction form
    1,409,963.57/2,115,745.22 = 761,531.73/x
  3. Step 3: Cross multiply
    1,409,963.57x = 2,115,745.22 × 761,531.73
  4. Step 4: Simplify right side
    1,409,963.57x = 1,611,207,117,625.83
  5. Step 5: Solve for x
    x = 1,611,207,117,625.83/1,409,963.57
  6. Step 6: Final answer
    x = 1,142,729.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.