Home / 1,440,498.20-1,987,883.42-795,913.81

Finding the Fourth Proportional to 1,440,498.20, 1,987,883.42 and 795,913.81

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Solution

The fourth proportional to 1,440,498.20, 1,987,883.42 and 795,913.81 is: 1,098,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,498.20 : 1,987,883.42 = 795,913.81 : x
  2. Step 2: Convert to fraction form
    1,440,498.20/1,987,883.42 = 795,913.81/x
  3. Step 3: Cross multiply
    1,440,498.20x = 1,987,883.42 × 795,913.81
  4. Step 4: Simplify right side
    1,440,498.20x = 1,582,183,857,698.75
  5. Step 5: Solve for x
    x = 1,582,183,857,698.75/1,440,498.20
  6. Step 6: Final answer
    x = 1,098,358.79

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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.