Home / 1,102,359.88-1,521,205.22-612,361.16

Finding the Fourth Proportional to 1,102,359.88, 1,521,205.22 and 612,361.16

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Solution

The fourth proportional to 1,102,359.88, 1,521,205.22 and 612,361.16 is: 845,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,359.88 : 1,521,205.22 = 612,361.16 : x
  2. Step 2: Convert to fraction form
    1,102,359.88/1,521,205.22 = 612,361.16/x
  3. Step 3: Cross multiply
    1,102,359.88x = 1,521,205.22 × 612,361.16
  4. Step 4: Simplify right side
    1,102,359.88x = 931,526,985,511.23
  5. Step 5: Solve for x
    x = 931,526,985,511.23/1,102,359.88
  6. Step 6: Final answer
    x = 845,029.83

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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.