Home / 1,310,308.25-1,965,473.30-411,730.09

Finding the Fourth Proportional to 1,310,308.25, 1,965,473.30 and 411,730.09

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Solution

The fourth proportional to 1,310,308.25, 1,965,473.30 and 411,730.09 is: 617,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,308.25 : 1,965,473.30 = 411,730.09 : x
  2. Step 2: Convert to fraction form
    1,310,308.25/1,965,473.30 = 411,730.09/x
  3. Step 3: Cross multiply
    1,310,308.25x = 1,965,473.30 × 411,730.09
  4. Step 4: Simplify right side
    1,310,308.25x = 809,244,494,817.24
  5. Step 5: Solve for x
    x = 809,244,494,817.24/1,310,308.25
  6. Step 6: Final answer
    x = 617,598.57

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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.