Home / 1,297,233.23-1,790,185.32-724,293.90

Finding the Fourth Proportional to 1,297,233.23, 1,790,185.32 and 724,293.90

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Solution

The fourth proportional to 1,297,233.23, 1,790,185.32 and 724,293.90 is: 999,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,233.23 : 1,790,185.32 = 724,293.90 : x
  2. Step 2: Convert to fraction form
    1,297,233.23/1,790,185.32 = 724,293.90/x
  3. Step 3: Cross multiply
    1,297,233.23x = 1,790,185.32 × 724,293.90
  4. Step 4: Simplify right side
    1,297,233.23x = 1,296,620,307,145.55
  5. Step 5: Solve for x
    x = 1,296,620,307,145.55/1,297,233.23
  6. Step 6: Final answer
    x = 999,527.52

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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.