Home / 1,107,347.46-1,661,021.73-308,649.66

Finding the Fourth Proportional to 1,107,347.46, 1,661,021.73 and 308,649.66

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Solution

The fourth proportional to 1,107,347.46, 1,661,021.73 and 308,649.66 is: 462,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,347.46 : 1,661,021.73 = 308,649.66 : x
  2. Step 2: Convert to fraction form
    1,107,347.46/1,661,021.73 = 308,649.66/x
  3. Step 3: Cross multiply
    1,107,347.46x = 1,661,021.73 × 308,649.66
  4. Step 4: Simplify right side
    1,107,347.46x = 512,673,792,217.11
  5. Step 5: Solve for x
    x = 512,673,792,217.11/1,107,347.46
  6. Step 6: Final answer
    x = 462,974.64

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Double scale
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Similar ratio
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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.