Home / 1,003,111.74-1,504,781.78-363,716.60

Finding the Fourth Proportional to 1,003,111.74, 1,504,781.78 and 363,716.60

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Solution

The fourth proportional to 1,003,111.74, 1,504,781.78 and 363,716.60 is: 545,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,111.74 : 1,504,781.78 = 363,716.60 : x
  2. Step 2: Convert to fraction form
    1,003,111.74/1,504,781.78 = 363,716.60/x
  3. Step 3: Cross multiply
    1,003,111.74x = 1,504,781.78 × 363,716.60
  4. Step 4: Simplify right side
    1,003,111.74x = 547,314,103,421.06
  5. Step 5: Solve for x
    x = 547,314,103,421.06/1,003,111.74
  6. Step 6: Final answer
    x = 545,616.29

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Double scale
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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.