Home / 1,313,091.92-1,968,899.16-414,366.20

Finding the Fourth Proportional to 1,313,091.92, 1,968,899.16 and 414,366.20

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Solution

The fourth proportional to 1,313,091.92, 1,968,899.16 and 414,366.20 is: 621,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,091.92 : 1,968,899.16 = 414,366.20 : x
  2. Step 2: Convert to fraction form
    1,313,091.92/1,968,899.16 = 414,366.20/x
  3. Step 3: Cross multiply
    1,313,091.92x = 1,968,899.16 × 414,366.20
  4. Step 4: Simplify right side
    1,313,091.92x = 815,845,263,112.39
  5. Step 5: Solve for x
    x = 815,845,263,112.39/1,313,091.92
  6. Step 6: Final answer
    x = 621,316.19

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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.