Home / 1,620,744.89-2,431,537.67-861,962.41

Finding the Fourth Proportional to 1,620,744.89, 2,431,537.67 and 861,962.41

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Solution

The fourth proportional to 1,620,744.89, 2,431,537.67 and 861,962.41 is: 1,293,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,744.89 : 2,431,537.67 = 861,962.41 : x
  2. Step 2: Convert to fraction form
    1,620,744.89/2,431,537.67 = 861,962.41/x
  3. Step 3: Cross multiply
    1,620,744.89x = 2,431,537.67 × 861,962.41
  4. Step 4: Simplify right side
    1,620,744.89x = 2,095,894,053,571.48
  5. Step 5: Solve for x
    x = 2,095,894,053,571.48/1,620,744.89
  6. Step 6: Final answer
    x = 1,293,167.15

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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.