Home / 1,313,270.44-1,812,334.34-740,338.60

Finding the Fourth Proportional to 1,313,270.44, 1,812,334.34 and 740,338.60

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Solution

The fourth proportional to 1,313,270.44, 1,812,334.34 and 740,338.60 is: 1,021,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,270.44 : 1,812,334.34 = 740,338.60 : x
  2. Step 2: Convert to fraction form
    1,313,270.44/1,812,334.34 = 740,338.60/x
  3. Step 3: Cross multiply
    1,313,270.44x = 1,812,334.34 × 740,338.60
  4. Step 4: Simplify right side
    1,313,270.44x = 1,341,741,068,007.52
  5. Step 5: Solve for x
    x = 1,341,741,068,007.52/1,313,270.44
  6. Step 6: Final answer
    x = 1,021,679.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.