Home / 1,313,951.70-1,970,351.55-603,743.70

Finding the Fourth Proportional to 1,313,951.70, 1,970,351.55 and 603,743.70

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Solution

The fourth proportional to 1,313,951.70, 1,970,351.55 and 603,743.70 is: 905,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,951.70 : 1,970,351.55 = 603,743.70 : x
  2. Step 2: Convert to fraction form
    1,313,951.70/1,970,351.55 = 603,743.70/x
  3. Step 3: Cross multiply
    1,313,951.70x = 1,970,351.55 × 603,743.70
  4. Step 4: Simplify right side
    1,313,951.70x = 1,189,587,335,097.73
  5. Step 5: Solve for x
    x = 1,189,587,335,097.73/1,313,951.70
  6. Step 6: Final answer
    x = 905,350.89

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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.