Home / 987,072.31-1,481,198.34-906,765.67

Finding the Fourth Proportional to 987,072.31, 1,481,198.34 and 906,765.67

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Solution

The fourth proportional to 987,072.31, 1,481,198.34 and 906,765.67 is: 1,360,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,072.31 : 1,481,198.34 = 906,765.67 : x
  2. Step 2: Convert to fraction form
    987,072.31/1,481,198.34 = 906,765.67/x
  3. Step 3: Cross multiply
    987,072.31x = 1,481,198.34 × 906,765.67
  4. Step 4: Simplify right side
    987,072.31x = 1,343,099,797,767.00
  5. Step 5: Solve for x
    x = 1,343,099,797,767.00/987,072.31
  6. Step 6: Final answer
    x = 1,360,690.39

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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.