Home / 1,790,081.91-2,685,130.11-725,144.13

Finding the Fourth Proportional to 1,790,081.91, 2,685,130.11 and 725,144.13

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Solution

The fourth proportional to 1,790,081.91, 2,685,130.11 and 725,144.13 is: 1,087,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,081.91 : 2,685,130.11 = 725,144.13 : x
  2. Step 2: Convert to fraction form
    1,790,081.91/2,685,130.11 = 725,144.13/x
  3. Step 3: Cross multiply
    1,790,081.91x = 2,685,130.11 × 725,144.13
  4. Step 4: Simplify right side
    1,790,081.91x = 1,947,106,337,552.75
  5. Step 5: Solve for x
    x = 1,947,106,337,552.75/1,790,081.91
  6. Step 6: Final answer
    x = 1,087,719.13

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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.