Home / 1,108,745.96-1,529,955.24-818,511.92

Finding the Fourth Proportional to 1,108,745.96, 1,529,955.24 and 818,511.92

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Solution

The fourth proportional to 1,108,745.96, 1,529,955.24 and 818,511.92 is: 1,129,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,745.96 : 1,529,955.24 = 818,511.92 : x
  2. Step 2: Convert to fraction form
    1,108,745.96/1,529,955.24 = 818,511.92/x
  3. Step 3: Cross multiply
    1,108,745.96x = 1,529,955.24 × 818,511.92
  4. Step 4: Simplify right side
    1,108,745.96x = 1,252,286,601,006.46
  5. Step 5: Solve for x
    x = 1,252,286,601,006.46/1,108,745.96
  6. Step 6: Final answer
    x = 1,129,462.15

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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.