Home / 1,775,390.94-2,663,105.85-513,229.50

Finding the Fourth Proportional to 1,775,390.94, 2,663,105.85 and 513,229.50

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Solution

The fourth proportional to 1,775,390.94, 2,663,105.85 and 513,229.50 is: 769,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,390.94 : 2,663,105.85 = 513,229.50 : x
  2. Step 2: Convert to fraction form
    1,775,390.94/2,663,105.85 = 513,229.50/x
  3. Step 3: Cross multiply
    1,775,390.94x = 2,663,105.85 × 513,229.50
  4. Step 4: Simplify right side
    1,775,390.94x = 1,366,784,483,842.58
  5. Step 5: Solve for x
    x = 1,366,784,483,842.58/1,775,390.94
  6. Step 6: Final answer
    x = 769,849.87

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Double scale
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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.