Home / 1,106,986.86-1,660,524.02-308,338.20

Finding the Fourth Proportional to 1,106,986.86, 1,660,524.02 and 308,338.20

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Solution

The fourth proportional to 1,106,986.86, 1,660,524.02 and 308,338.20 is: 462,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,986.86 : 1,660,524.02 = 308,338.20 : x
  2. Step 2: Convert to fraction form
    1,106,986.86/1,660,524.02 = 308,338.20/x
  3. Step 3: Cross multiply
    1,106,986.86x = 1,660,524.02 × 308,338.20
  4. Step 4: Simplify right side
    1,106,986.86x = 512,002,987,383.56
  5. Step 5: Solve for x
    x = 512,002,987,383.56/1,106,986.86
  6. Step 6: Final answer
    x = 462,519.48

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Double scale
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1.5x scale

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.