Home / 1,618,187.82-2,426,861.41-480,682.65

Finding the Fourth Proportional to 1,618,187.82, 2,426,861.41 and 480,682.65

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Solution

The fourth proportional to 1,618,187.82, 2,426,861.41 and 480,682.65 is: 720,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,187.82 : 2,426,861.41 = 480,682.65 : x
  2. Step 2: Convert to fraction form
    1,618,187.82/2,426,861.41 = 480,682.65/x
  3. Step 3: Cross multiply
    1,618,187.82x = 2,426,861.41 × 480,682.65
  4. Step 4: Simplify right side
    1,618,187.82x = 1,166,550,173,741.54
  5. Step 5: Solve for x
    x = 1,166,550,173,741.54/1,618,187.82
  6. Step 6: Final answer
    x = 720,899.12

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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.