Home / 1,008,081.10-1,512,388.95-439,218.10

Finding the Fourth Proportional to 1,008,081.10, 1,512,388.95 and 439,218.10

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Solution

The fourth proportional to 1,008,081.10, 1,512,388.95 and 439,218.10 is: 658,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,081.10 : 1,512,388.95 = 439,218.10 : x
  2. Step 2: Convert to fraction form
    1,008,081.10/1,512,388.95 = 439,218.10/x
  3. Step 3: Cross multiply
    1,008,081.10x = 1,512,388.95 × 439,218.10
  4. Step 4: Simplify right side
    1,008,081.10x = 664,268,601,080.00
  5. Step 5: Solve for x
    x = 664,268,601,080.00/1,008,081.10
  6. Step 6: Final answer
    x = 658,943.61

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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.