Home / 1,226,621.31-1,692,737.19-682,745.40

Finding the Fourth Proportional to 1,226,621.31, 1,692,737.19 and 682,745.40

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Solution

The fourth proportional to 1,226,621.31, 1,692,737.19 and 682,745.40 is: 942,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,621.31 : 1,692,737.19 = 682,745.40 : x
  2. Step 2: Convert to fraction form
    1,226,621.31/1,692,737.19 = 682,745.40/x
  3. Step 3: Cross multiply
    1,226,621.31x = 1,692,737.19 × 682,745.40
  4. Step 4: Simplify right side
    1,226,621.31x = 1,155,708,529,881.43
  5. Step 5: Solve for x
    x = 1,155,708,529,881.43/1,226,621.31
  6. Step 6: Final answer
    x = 942,188.53

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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.