Home / 1,622,396.37-2,431,878.40-611,080.75

Finding the Fourth Proportional to 1,622,396.37, 2,431,878.40 and 611,080.75

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Solution

The fourth proportional to 1,622,396.37, 2,431,878.40 and 611,080.75 is: 915,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,396.37 : 2,431,878.40 = 611,080.75 : x
  2. Step 2: Convert to fraction form
    1,622,396.37/2,431,878.40 = 611,080.75/x
  3. Step 3: Cross multiply
    1,622,396.37x = 2,431,878.40 × 611,080.75
  4. Step 4: Simplify right side
    1,622,396.37x = 1,486,074,076,580.80
  5. Step 5: Solve for x
    x = 1,486,074,076,580.80/1,622,396.37
  6. Step 6: Final answer
    x = 915,974.73

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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.