Home / 1,511,821.17-2,086,313.31-832,757.67

Finding the Fourth Proportional to 1,511,821.17, 2,086,313.31 and 832,757.67

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Solution

The fourth proportional to 1,511,821.17, 2,086,313.31 and 832,757.67 is: 1,149,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,821.17 : 2,086,313.31 = 832,757.67 : x
  2. Step 2: Convert to fraction form
    1,511,821.17/2,086,313.31 = 832,757.67/x
  3. Step 3: Cross multiply
    1,511,821.17x = 2,086,313.31 × 832,757.67
  4. Step 4: Simplify right side
    1,511,821.17x = 1,737,393,410,925.59
  5. Step 5: Solve for x
    x = 1,737,393,410,925.59/1,511,821.17
  6. Step 6: Final answer
    x = 1,149,205.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.