Home / 1,355,749.44-2,033,638.56-409,128.48

Finding the Fourth Proportional to 1,355,749.44, 2,033,638.56 and 409,128.48

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Solution

The fourth proportional to 1,355,749.44, 2,033,638.56 and 409,128.48 is: 613,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,749.44 : 2,033,638.56 = 409,128.48 : x
  2. Step 2: Convert to fraction form
    1,355,749.44/2,033,638.56 = 409,128.48/x
  3. Step 3: Cross multiply
    1,355,749.44x = 2,033,638.56 × 409,128.48
  4. Step 4: Simplify right side
    1,355,749.44x = 832,019,452,922.19
  5. Step 5: Solve for x
    x = 832,019,452,922.19/1,355,749.44
  6. Step 6: Final answer
    x = 613,697.07

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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.