Home / 1,289,865.74-1,935,576.23-449,007.98

Finding the Fourth Proportional to 1,289,865.74, 1,935,576.23 and 449,007.98

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Solution

The fourth proportional to 1,289,865.74, 1,935,576.23 and 449,007.98 is: 673,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,865.74 : 1,935,576.23 = 449,007.98 : x
  2. Step 2: Convert to fraction form
    1,289,865.74/1,935,576.23 = 449,007.98/x
  3. Step 3: Cross multiply
    1,289,865.74x = 1,935,576.23 × 449,007.98
  4. Step 4: Simplify right side
    1,289,865.74x = 869,089,161,245.39
  5. Step 5: Solve for x
    x = 869,089,161,245.39/1,289,865.74
  6. Step 6: Final answer
    x = 673,782.66

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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.