Home / 1,313,969.76-1,812,626.40-848,663.64

Finding the Fourth Proportional to 1,313,969.76, 1,812,626.40 and 848,663.64

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Solution

The fourth proportional to 1,313,969.76, 1,812,626.40 and 848,663.64 is: 1,170,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,969.76 : 1,812,626.40 = 848,663.64 : x
  2. Step 2: Convert to fraction form
    1,313,969.76/1,812,626.40 = 848,663.64/x
  3. Step 3: Cross multiply
    1,313,969.76x = 1,812,626.40 × 848,663.64
  4. Step 4: Simplify right side
    1,313,969.76x = 1,538,310,118,584.10
  5. Step 5: Solve for x
    x = 1,538,310,118,584.10/1,313,969.76
  6. Step 6: Final answer
    x = 1,170,734.80

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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.