Home / 1,384,166.43-2,074,981.19-485,118.09

Finding the Fourth Proportional to 1,384,166.43, 2,074,981.19 and 485,118.09

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Solution

The fourth proportional to 1,384,166.43, 2,074,981.19 and 485,118.09 is: 727,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,166.43 : 2,074,981.19 = 485,118.09 : x
  2. Step 2: Convert to fraction form
    1,384,166.43/2,074,981.19 = 485,118.09/x
  3. Step 3: Cross multiply
    1,384,166.43x = 2,074,981.19 × 485,118.09
  4. Step 4: Simplify right side
    1,384,166.43x = 1,006,610,909,253.14
  5. Step 5: Solve for x
    x = 1,006,610,909,253.14/1,384,166.43
  6. Step 6: Final answer
    x = 727,232.57

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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.