Home / 1,098,558.72-1,647,236.04-340,189.65

Finding the Fourth Proportional to 1,098,558.72, 1,647,236.04 and 340,189.65

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Solution

The fourth proportional to 1,098,558.72, 1,647,236.04 and 340,189.65 is: 510,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,558.72 : 1,647,236.04 = 340,189.65 : x
  2. Step 2: Convert to fraction form
    1,098,558.72/1,647,236.04 = 340,189.65/x
  3. Step 3: Cross multiply
    1,098,558.72x = 1,647,236.04 × 340,189.65
  4. Step 4: Simplify right side
    1,098,558.72x = 560,372,651,914.99
  5. Step 5: Solve for x
    x = 560,372,651,914.99/1,098,558.72
  6. Step 6: Final answer
    x = 510,098.04

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Double scale
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1.5x scale

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.