Home / 1,622,396.36-2,431,878.40-611,080.76

Finding the Fourth Proportional to 1,622,396.36, 2,431,878.40 and 611,080.76

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Solution

The fourth proportional to 1,622,396.36, 2,431,878.40 and 611,080.76 is: 915,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,396.36 : 2,431,878.40 = 611,080.76 : x
  2. Step 2: Convert to fraction form
    1,622,396.36/2,431,878.40 = 611,080.76/x
  3. Step 3: Cross multiply
    1,622,396.36x = 2,431,878.40 × 611,080.76
  4. Step 4: Simplify right side
    1,622,396.36x = 1,486,074,100,899.58
  5. Step 5: Solve for x
    x = 1,486,074,100,899.58/1,622,396.36
  6. Step 6: Final answer
    x = 915,974.75

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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.