Home / 1,788,481.20-2,682,738.01-509,088.17

Finding the Fourth Proportional to 1,788,481.20, 2,682,738.01 and 509,088.17

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Solution

The fourth proportional to 1,788,481.20, 2,682,738.01 and 509,088.17 is: 763,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,481.20 : 2,682,738.01 = 509,088.17 : x
  2. Step 2: Convert to fraction form
    1,788,481.20/2,682,738.01 = 509,088.17/x
  3. Step 3: Cross multiply
    1,788,481.20x = 2,682,738.01 × 509,088.17
  4. Step 4: Simplify right side
    1,788,481.20x = 1,365,750,181,383.28
  5. Step 5: Solve for x
    x = 1,365,750,181,383.28/1,788,481.20
  6. Step 6: Final answer
    x = 763,636.87

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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.