Home / 1,007,277.60-1,511,183.70-438,414.60

Finding the Fourth Proportional to 1,007,277.60, 1,511,183.70 and 438,414.60

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Solution

The fourth proportional to 1,007,277.60, 1,511,183.70 and 438,414.60 is: 657,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,277.60 : 1,511,183.70 = 438,414.60 : x
  2. Step 2: Convert to fraction form
    1,007,277.60/1,511,183.70 = 438,414.60/x
  3. Step 3: Cross multiply
    1,007,277.60x = 1,511,183.70 × 438,414.60
  4. Step 4: Simplify right side
    1,007,277.60x = 662,524,997,362.02
  5. Step 5: Solve for x
    x = 662,524,997,362.02/1,007,277.60
  6. Step 6: Final answer
    x = 657,738.24

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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.