Home / 1,340,834.70-2,010,717.45-442,026.30

Finding the Fourth Proportional to 1,340,834.70, 2,010,717.45 and 442,026.30

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Solution

The fourth proportional to 1,340,834.70, 2,010,717.45 and 442,026.30 is: 662,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,834.70 : 2,010,717.45 = 442,026.30 : x
  2. Step 2: Convert to fraction form
    1,340,834.70/2,010,717.45 = 442,026.30/x
  3. Step 3: Cross multiply
    1,340,834.70x = 2,010,717.45 × 442,026.30
  4. Step 4: Simplify right side
    1,340,834.70x = 888,789,994,768.94
  5. Step 5: Solve for x
    x = 888,789,994,768.94/1,340,834.70
  6. Step 6: Final answer
    x = 662,863.21

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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.