Home / 1,515,022.20-2,090,728.26-835,958.16

Finding the Fourth Proportional to 1,515,022.20, 2,090,728.26 and 835,958.16

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Solution

The fourth proportional to 1,515,022.20, 2,090,728.26 and 835,958.16 is: 1,153,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,022.20 : 2,090,728.26 = 835,958.16 : x
  2. Step 2: Convert to fraction form
    1,515,022.20/2,090,728.26 = 835,958.16/x
  3. Step 3: Cross multiply
    1,515,022.20x = 2,090,728.26 × 835,958.16
  4. Step 4: Simplify right side
    1,515,022.20x = 1,747,761,349,289.60
  5. Step 5: Solve for x
    x = 1,747,761,349,289.60/1,515,022.20
  6. Step 6: Final answer
    x = 1,153,620.95

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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.