Home / 1,313,245.49-1,969,928.61-402,362.73

Finding the Fourth Proportional to 1,313,245.49, 1,969,928.61 and 402,362.73

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Solution

The fourth proportional to 1,313,245.49, 1,969,928.61 and 402,362.73 is: 603,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,245.49 : 1,969,928.61 = 402,362.73 : x
  2. Step 2: Convert to fraction form
    1,313,245.49/1,969,928.61 = 402,362.73/x
  3. Step 3: Cross multiply
    1,313,245.49x = 1,969,928.61 × 402,362.73
  4. Step 4: Simplify right side
    1,313,245.49x = 792,625,851,412.89
  5. Step 5: Solve for x
    x = 792,625,851,412.89/1,313,245.49
  6. Step 6: Final answer
    x = 603,562.59

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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.