Home / 1,442,843.84-2,162,195.40-810,426.62

Finding the Fourth Proportional to 1,442,843.84, 2,162,195.40 and 810,426.62

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Solution

The fourth proportional to 1,442,843.84, 2,162,195.40 and 810,426.62 is: 1,214,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,843.84 : 2,162,195.40 = 810,426.62 : x
  2. Step 2: Convert to fraction form
    1,442,843.84/2,162,195.40 = 810,426.62/x
  3. Step 3: Cross multiply
    1,442,843.84x = 2,162,195.40 × 810,426.62
  4. Step 4: Simplify right side
    1,442,843.84x = 1,752,300,709,801.55
  5. Step 5: Solve for x
    x = 1,752,300,709,801.55/1,442,843.84
  6. Step 6: Final answer
    x = 1,214,477.04

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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.