Home / 1,117,604.56-1,542,327.60-688,132.48

Finding the Fourth Proportional to 1,117,604.56, 1,542,327.60 and 688,132.48

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Solution

The fourth proportional to 1,117,604.56, 1,542,327.60 and 688,132.48 is: 949,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,604.56 : 1,542,327.60 = 688,132.48 : x
  2. Step 2: Convert to fraction form
    1,117,604.56/1,542,327.60 = 688,132.48/x
  3. Step 3: Cross multiply
    1,117,604.56x = 1,542,327.60 × 688,132.48
  4. Step 4: Simplify right side
    1,117,604.56x = 1,061,325,716,360.45
  5. Step 5: Solve for x
    x = 1,061,325,716,360.45/1,117,604.56
  6. Step 6: Final answer
    x = 949,643.33

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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.