Home / 1,410,457.38-2,115,620.46-345,443.06

Finding the Fourth Proportional to 1,410,457.38, 2,115,620.46 and 345,443.06

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Solution

The fourth proportional to 1,410,457.38, 2,115,620.46 and 345,443.06 is: 518,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,457.38 : 2,115,620.46 = 345,443.06 : x
  2. Step 2: Convert to fraction form
    1,410,457.38/2,115,620.46 = 345,443.06/x
  3. Step 3: Cross multiply
    1,410,457.38x = 2,115,620.46 × 345,443.06
  4. Step 4: Simplify right side
    1,410,457.38x = 730,826,394,922.91
  5. Step 5: Solve for x
    x = 730,826,394,922.91/1,410,457.38
  6. Step 6: Final answer
    x = 518,148.51

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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.