Home / 1,003,203.01-1,505,110.70-320,071.69

Finding the Fourth Proportional to 1,003,203.01, 1,505,110.70 and 320,071.69

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Solution

The fourth proportional to 1,003,203.01, 1,505,110.70 and 320,071.69 is: 480,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,203.01 : 1,505,110.70 = 320,071.69 : x
  2. Step 2: Convert to fraction form
    1,003,203.01/1,505,110.70 = 320,071.69/x
  3. Step 3: Cross multiply
    1,003,203.01x = 1,505,110.70 × 320,071.69
  4. Step 4: Simplify right side
    1,003,203.01x = 481,743,325,386.08
  5. Step 5: Solve for x
    x = 481,743,325,386.08/1,003,203.01
  6. Step 6: Final answer
    x = 480,205.22

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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.