Home / 1,079,063.78-1,618,595.46-320,902.16

Finding the Fourth Proportional to 1,079,063.78, 1,618,595.46 and 320,902.16

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Solution

The fourth proportional to 1,079,063.78, 1,618,595.46 and 320,902.16 is: 481,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,063.78 : 1,618,595.46 = 320,902.16 : x
  2. Step 2: Convert to fraction form
    1,079,063.78/1,618,595.46 = 320,902.16/x
  3. Step 3: Cross multiply
    1,079,063.78x = 1,618,595.46 × 320,902.16
  4. Step 4: Simplify right side
    1,079,063.78x = 519,410,771,187.22
  5. Step 5: Solve for x
    x = 519,410,771,187.22/1,079,063.78
  6. Step 6: Final answer
    x = 481,353.17

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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.