Home / 1,769,635.50-2,654,462.97-439,939.50

Finding the Fourth Proportional to 1,769,635.50, 2,654,462.97 and 439,939.50

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Solution

The fourth proportional to 1,769,635.50, 2,654,462.97 and 439,939.50 is: 659,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,635.50 : 2,654,462.97 = 439,939.50 : x
  2. Step 2: Convert to fraction form
    1,769,635.50/2,654,462.97 = 439,939.50/x
  3. Step 3: Cross multiply
    1,769,635.50x = 2,654,462.97 × 439,939.50
  4. Step 4: Simplify right side
    1,769,635.50x = 1,167,803,111,790.32
  5. Step 5: Solve for x
    x = 1,167,803,111,790.32/1,769,635.50
  6. Step 6: Final answer
    x = 659,911.67

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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.