Home / 1,210,240.80-1,815,361.20-832,327.20

Finding the Fourth Proportional to 1,210,240.80, 1,815,361.20 and 832,327.20

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Solution

The fourth proportional to 1,210,240.80, 1,815,361.20 and 832,327.20 is: 1,248,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,240.80 : 1,815,361.20 = 832,327.20 : x
  2. Step 2: Convert to fraction form
    1,210,240.80/1,815,361.20 = 832,327.20/x
  3. Step 3: Cross multiply
    1,210,240.80x = 1,815,361.20 × 832,327.20
  4. Step 4: Simplify right side
    1,210,240.80x = 1,510,974,504,584.64
  5. Step 5: Solve for x
    x = 1,510,974,504,584.64/1,210,240.80
  6. Step 6: Final answer
    x = 1,248,490.80

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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.