Home / 1,294,573.96-1,940,513.68-725,120.20

Finding the Fourth Proportional to 1,294,573.96, 1,940,513.68 and 725,120.20

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Solution

The fourth proportional to 1,294,573.96, 1,940,513.68 and 725,120.20 is: 1,086,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,573.96 : 1,940,513.68 = 725,120.20 : x
  2. Step 2: Convert to fraction form
    1,294,573.96/1,940,513.68 = 725,120.20/x
  3. Step 3: Cross multiply
    1,294,573.96x = 1,940,513.68 × 725,120.20
  4. Step 4: Simplify right side
    1,294,573.96x = 1,407,105,667,744.34
  5. Step 5: Solve for x
    x = 1,407,105,667,744.34/1,294,573.96
  6. Step 6: Final answer
    x = 1,086,925.67

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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.