Home / 1,103,408.73-1,651,955.31-747,790.38

Finding the Fourth Proportional to 1,103,408.73, 1,651,955.31 and 747,790.38

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Solution

The fourth proportional to 1,103,408.73, 1,651,955.31 and 747,790.38 is: 1,119,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,408.73 : 1,651,955.31 = 747,790.38 : x
  2. Step 2: Convert to fraction form
    1,103,408.73/1,651,955.31 = 747,790.38/x
  3. Step 3: Cross multiply
    1,103,408.73x = 1,651,955.31 × 747,790.38
  4. Step 4: Simplify right side
    1,103,408.73x = 1,235,316,289,007.92
  5. Step 5: Solve for x
    x = 1,235,316,289,007.92/1,103,408.73
  6. Step 6: Final answer
    x = 1,119,545.51

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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.