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Finding the Fourth Proportional to 1,749,675.56, 2,414,560.74 and 985,741.16

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Solution

The fourth proportional to 1,749,675.56, 2,414,560.74 and 985,741.16 is: 1,360,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,675.56 : 2,414,560.74 = 985,741.16 : x
  2. Step 2: Convert to fraction form
    1,749,675.56/2,414,560.74 = 985,741.16/x
  3. Step 3: Cross multiply
    1,749,675.56x = 2,414,560.74 × 985,741.16
  4. Step 4: Simplify right side
    1,749,675.56x = 2,380,131,904,738.06
  5. Step 5: Solve for x
    x = 2,380,131,904,738.06/1,749,675.56
  6. Step 6: Final answer
    x = 1,360,327.57

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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.