Home / 1,110,301.20-1,661,515.20-756,007.20

Finding the Fourth Proportional to 1,110,301.20, 1,661,515.20 and 756,007.20

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Solution

The fourth proportional to 1,110,301.20, 1,661,515.20 and 756,007.20 is: 1,131,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,301.20 : 1,661,515.20 = 756,007.20 : x
  2. Step 2: Convert to fraction form
    1,110,301.20/1,661,515.20 = 756,007.20/x
  3. Step 3: Cross multiply
    1,110,301.20x = 1,661,515.20 × 756,007.20
  4. Step 4: Simplify right side
    1,110,301.20x = 1,256,117,454,109.44
  5. Step 5: Solve for x
    x = 1,256,117,454,109.44/1,110,301.20
  6. Step 6: Final answer
    x = 1,131,330.36

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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.