Home / 1,010,511.66-1,394,174.91-720,168.96

Finding the Fourth Proportional to 1,010,511.66, 1,394,174.91 and 720,168.96

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Solution

The fourth proportional to 1,010,511.66, 1,394,174.91 and 720,168.96 is: 993,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,511.66 : 1,394,174.91 = 720,168.96 : x
  2. Step 2: Convert to fraction form
    1,010,511.66/1,394,174.91 = 720,168.96/x
  3. Step 3: Cross multiply
    1,010,511.66x = 1,394,174.91 × 720,168.96
  4. Step 4: Simplify right side
    1,010,511.66x = 1,004,041,494,992.79
  5. Step 5: Solve for x
    x = 1,004,041,494,992.79/1,010,511.66
  6. Step 6: Final answer
    x = 993,597.14

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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.