Home / 1,157,028.80-1,735,383.20-358,859.20

Finding the Fourth Proportional to 1,157,028.80, 1,735,383.20 and 358,859.20

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Solution

The fourth proportional to 1,157,028.80, 1,735,383.20 and 358,859.20 is: 538,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,028.80 : 1,735,383.20 = 358,859.20 : x
  2. Step 2: Convert to fraction form
    1,157,028.80/1,735,383.20 = 358,859.20/x
  3. Step 3: Cross multiply
    1,157,028.80x = 1,735,383.20 × 358,859.20
  4. Step 4: Simplify right side
    1,157,028.80x = 622,758,226,845.44
  5. Step 5: Solve for x
    x = 622,758,226,845.44/1,157,028.80
  6. Step 6: Final answer
    x = 538,239.18

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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.