Home / 1,297,093.50-1,790,167.64-724,165.11

Finding the Fourth Proportional to 1,297,093.50, 1,790,167.64 and 724,165.11

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Solution

The fourth proportional to 1,297,093.50, 1,790,167.64 and 724,165.11 is: 999,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,093.50 : 1,790,167.64 = 724,165.11 : x
  2. Step 2: Convert to fraction form
    1,297,093.50/1,790,167.64 = 724,165.11/x
  3. Step 3: Cross multiply
    1,297,093.50x = 1,790,167.64 × 724,165.11
  4. Step 4: Simplify right side
    1,297,093.50x = 1,296,376,942,318.21
  5. Step 5: Solve for x
    x = 1,296,376,942,318.21/1,297,093.50
  6. Step 6: Final answer
    x = 999,447.57

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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.