Home / 1,008,028.10-1,512,042.15-409,276.10

Finding the Fourth Proportional to 1,008,028.10, 1,512,042.15 and 409,276.10

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Solution

The fourth proportional to 1,008,028.10, 1,512,042.15 and 409,276.10 is: 613,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,028.10 : 1,512,042.15 = 409,276.10 : x
  2. Step 2: Convert to fraction form
    1,008,028.10/1,512,042.15 = 409,276.10/x
  3. Step 3: Cross multiply
    1,008,028.10x = 1,512,042.15 × 409,276.10
  4. Step 4: Simplify right side
    1,008,028.10x = 618,842,714,187.62
  5. Step 5: Solve for x
    x = 618,842,714,187.62/1,008,028.10
  6. Step 6: Final answer
    x = 613,914.15

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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.