Home / 1,790,653.48-2,685,892.74-668,635

Finding the Fourth Proportional to 1,790,653.48, 2,685,892.74 and 668,635

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Solution

The fourth proportional to 1,790,653.48, 2,685,892.74 and 668,635 is: 1,002,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,653.48 : 2,685,892.74 = 668,635 : x
  2. Step 2: Convert to fraction form
    1,790,653.48/2,685,892.74 = 668,635/x
  3. Step 3: Cross multiply
    1,790,653.48x = 2,685,892.74 × 668,635
  4. Step 4: Simplify right side
    1,790,653.48x = 1,795,881,892,209.90
  5. Step 5: Solve for x
    x = 1,795,881,892,209.90/1,790,653.48
  6. Step 6: Final answer
    x = 1,002,919.83

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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.