Home / 1,205,232.80-1,809,015.60-732,840.80

Finding the Fourth Proportional to 1,205,232.80, 1,809,015.60 and 732,840.80

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Solution

The fourth proportional to 1,205,232.80, 1,809,015.60 and 732,840.80 is: 1,099,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,232.80 : 1,809,015.60 = 732,840.80 : x
  2. Step 2: Convert to fraction form
    1,205,232.80/1,809,015.60 = 732,840.80/x
  3. Step 3: Cross multiply
    1,205,232.80x = 1,809,015.60 × 732,840.80
  4. Step 4: Simplify right side
    1,205,232.80x = 1,325,720,439,516.48
  5. Step 5: Solve for x
    x = 1,325,720,439,516.48/1,205,232.80
  6. Step 6: Final answer
    x = 1,099,970.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.