Home / 1,008,046.73-1,512,070.09-905,403.53

Finding the Fourth Proportional to 1,008,046.73, 1,512,070.09 and 905,403.53

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Solution

The fourth proportional to 1,008,046.73, 1,512,070.09 and 905,403.53 is: 1,358,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,046.73 : 1,512,070.09 = 905,403.53 : x
  2. Step 2: Convert to fraction form
    1,008,046.73/1,512,070.09 = 905,403.53/x
  3. Step 3: Cross multiply
    1,008,046.73x = 1,512,070.09 × 905,403.53
  4. Step 4: Simplify right side
    1,008,046.73x = 1,369,033,587,269.56
  5. Step 5: Solve for x
    x = 1,369,033,587,269.56/1,008,046.73
  6. Step 6: Final answer
    x = 1,358,105.29

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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.