Home / 1,166,142.54-1,608,726.60-682,408.20

Finding the Fourth Proportional to 1,166,142.54, 1,608,726.60 and 682,408.20

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Solution

The fourth proportional to 1,166,142.54, 1,608,726.60 and 682,408.20 is: 941,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,142.54 : 1,608,726.60 = 682,408.20 : x
  2. Step 2: Convert to fraction form
    1,166,142.54/1,608,726.60 = 682,408.20/x
  3. Step 3: Cross multiply
    1,166,142.54x = 1,608,726.60 × 682,408.20
  4. Step 4: Simplify right side
    1,166,142.54x = 1,097,808,223,398.12
  5. Step 5: Solve for x
    x = 1,097,808,223,398.12/1,166,142.54
  6. Step 6: Final answer
    x = 941,401.40

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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.