Home / 1,313,273.07-1,969,968.64-402,388.82

Finding the Fourth Proportional to 1,313,273.07, 1,969,968.64 and 402,388.82

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Solution

The fourth proportional to 1,313,273.07, 1,969,968.64 and 402,388.82 is: 603,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,273.07 : 1,969,968.64 = 402,388.82 : x
  2. Step 2: Convert to fraction form
    1,313,273.07/1,969,968.64 = 402,388.82/x
  3. Step 3: Cross multiply
    1,313,273.07x = 1,969,968.64 × 402,388.82
  4. Step 4: Simplify right side
    1,313,273.07x = 792,693,353,772.65
  5. Step 5: Solve for x
    x = 792,693,353,772.65/1,313,273.07
  6. Step 6: Final answer
    x = 603,601.32

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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.