Home / 1,440,418.86-1,987,857.77-795,825.23

Finding the Fourth Proportional to 1,440,418.86, 1,987,857.77 and 795,825.23

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Solution

The fourth proportional to 1,440,418.86, 1,987,857.77 and 795,825.23 is: 1,098,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,418.86 : 1,987,857.77 = 795,825.23 : x
  2. Step 2: Convert to fraction form
    1,440,418.86/1,987,857.77 = 795,825.23/x
  3. Step 3: Cross multiply
    1,440,418.86x = 1,987,857.77 × 795,825.23
  4. Step 4: Simplify right side
    1,440,418.86x = 1,581,987,353,099.12
  5. Step 5: Solve for x
    x = 1,581,987,353,099.12/1,440,418.86
  6. Step 6: Final answer
    x = 1,098,282.87

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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.