Home / 1,143,940.38-1,715,920.62-291,012.93

Finding the Fourth Proportional to 1,143,940.38, 1,715,920.62 and 291,012.93

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Solution

The fourth proportional to 1,143,940.38, 1,715,920.62 and 291,012.93 is: 436,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,940.38 : 1,715,920.62 = 291,012.93 : x
  2. Step 2: Convert to fraction form
    1,143,940.38/1,715,920.62 = 291,012.93/x
  3. Step 3: Cross multiply
    1,143,940.38x = 1,715,920.62 × 291,012.93
  4. Step 4: Simplify right side
    1,143,940.38x = 499,355,081,433.67
  5. Step 5: Solve for x
    x = 499,355,081,433.67/1,143,940.38
  6. Step 6: Final answer
    x = 436,521.95

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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.