Home / 1,410,129.80-2,115,194.70-463,272.20

Finding the Fourth Proportional to 1,410,129.80, 2,115,194.70 and 463,272.20

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Solution

The fourth proportional to 1,410,129.80, 2,115,194.70 and 463,272.20 is: 694,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,129.80 : 2,115,194.70 = 463,272.20 : x
  2. Step 2: Convert to fraction form
    1,410,129.80/2,115,194.70 = 463,272.20/x
  3. Step 3: Cross multiply
    1,410,129.80x = 2,115,194.70 × 463,272.20
  4. Step 4: Simplify right side
    1,410,129.80x = 979,910,902,097.34
  5. Step 5: Solve for x
    x = 979,910,902,097.34/1,410,129.80
  6. Step 6: Final answer
    x = 694,908.30

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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.