Home / 1,007,749.50-1,511,711.73-259,795.50

Finding the Fourth Proportional to 1,007,749.50, 1,511,711.73 and 259,795.50

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Solution

The fourth proportional to 1,007,749.50, 1,511,711.73 and 259,795.50 is: 389,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,749.50 : 1,511,711.73 = 259,795.50 : x
  2. Step 2: Convert to fraction form
    1,007,749.50/1,511,711.73 = 259,795.50/x
  3. Step 3: Cross multiply
    1,007,749.50x = 1,511,711.73 × 259,795.50
  4. Step 4: Simplify right side
    1,007,749.50x = 392,735,904,751.22
  5. Step 5: Solve for x
    x = 392,735,904,751.22/1,007,749.50
  6. Step 6: Final answer
    x = 389,715.80

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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.