Home / 1,226,648.78-1,692,737.63-682,770.60

Finding the Fourth Proportional to 1,226,648.78, 1,692,737.63 and 682,770.60

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Solution

The fourth proportional to 1,226,648.78, 1,692,737.63 and 682,770.60 is: 942,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,648.78 : 1,692,737.63 = 682,770.60 : x
  2. Step 2: Convert to fraction form
    1,226,648.78/1,692,737.63 = 682,770.60/x
  3. Step 3: Cross multiply
    1,226,648.78x = 1,692,737.63 × 682,770.60
  4. Step 4: Simplify right side
    1,226,648.78x = 1,155,751,486,424.21
  5. Step 5: Solve for x
    x = 1,155,751,486,424.21/1,226,648.78
  6. Step 6: Final answer
    x = 942,202.45

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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.