Home / 1,105,742.43-1,525,973.66-622,338.88

Finding the Fourth Proportional to 1,105,742.43, 1,525,973.66 and 622,338.88

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Solution

The fourth proportional to 1,105,742.43, 1,525,973.66 and 622,338.88 is: 858,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,742.43 : 1,525,973.66 = 622,338.88 : x
  2. Step 2: Convert to fraction form
    1,105,742.43/1,525,973.66 = 622,338.88/x
  3. Step 3: Cross multiply
    1,105,742.43x = 1,525,973.66 × 622,338.88
  4. Step 4: Simplify right side
    1,105,742.43x = 949,672,741,429.62
  5. Step 5: Solve for x
    x = 949,672,741,429.62/1,105,742.43
  6. Step 6: Final answer
    x = 858,855.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.