Home / 1,310,308.75-1,965,474.06-411,730.59

Finding the Fourth Proportional to 1,310,308.75, 1,965,474.06 and 411,730.59

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Solution

The fourth proportional to 1,310,308.75, 1,965,474.06 and 411,730.59 is: 617,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,308.75 : 1,965,474.06 = 411,730.59 : x
  2. Step 2: Convert to fraction form
    1,310,308.75/1,965,474.06 = 411,730.59/x
  3. Step 3: Cross multiply
    1,310,308.75x = 1,965,474.06 × 411,730.59
  4. Step 4: Simplify right side
    1,310,308.75x = 809,245,792,294.84
  5. Step 5: Solve for x
    x = 809,245,792,294.84/1,310,308.75
  6. Step 6: Final answer
    x = 617,599.32

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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.