Home / 1,420,998.76-2,131,641.61-461,414.24

Finding the Fourth Proportional to 1,420,998.76, 2,131,641.61 and 461,414.24

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Solution

The fourth proportional to 1,420,998.76, 2,131,641.61 and 461,414.24 is: 692,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,998.76 : 2,131,641.61 = 461,414.24 : x
  2. Step 2: Convert to fraction form
    1,420,998.76/2,131,641.61 = 461,414.24/x
  3. Step 3: Cross multiply
    1,420,998.76x = 2,131,641.61 × 461,414.24
  4. Step 4: Simplify right side
    1,420,998.76x = 983,569,792,207.89
  5. Step 5: Solve for x
    x = 983,569,792,207.89/1,420,998.76
  6. Step 6: Final answer
    x = 692,167.94

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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.