Home / 1,213,766.46-1,821,174.57-465,637.50

Finding the Fourth Proportional to 1,213,766.46, 1,821,174.57 and 465,637.50

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Solution

The fourth proportional to 1,213,766.46, 1,821,174.57 and 465,637.50 is: 698,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,766.46 : 1,821,174.57 = 465,637.50 : x
  2. Step 2: Convert to fraction form
    1,213,766.46/1,821,174.57 = 465,637.50/x
  3. Step 3: Cross multiply
    1,213,766.46x = 1,821,174.57 × 465,637.50
  4. Step 4: Simplify right side
    1,213,766.46x = 848,007,173,838.38
  5. Step 5: Solve for x
    x = 848,007,173,838.38/1,213,766.46
  6. Step 6: Final answer
    x = 698,657.61

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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.