Home / 1,790,605.64-2,685,616.86-725,604.68

Finding the Fourth Proportional to 1,790,605.64, 2,685,616.86 and 725,604.68

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Solution

The fourth proportional to 1,790,605.64, 2,685,616.86 and 725,604.68 is: 1,088,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,605.64 : 2,685,616.86 = 725,604.68 : x
  2. Step 2: Convert to fraction form
    1,790,605.64/2,685,616.86 = 725,604.68/x
  3. Step 3: Cross multiply
    1,790,605.64x = 2,685,616.86 × 725,604.68
  4. Step 4: Simplify right side
    1,790,605.64x = 1,948,696,162,302.90
  5. Step 5: Solve for x
    x = 1,948,696,162,302.90/1,790,605.64
  6. Step 6: Final answer
    x = 1,088,288.86

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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.