Home / 1,222,007.15-1,833,135.57-423,287.21

Finding the Fourth Proportional to 1,222,007.15, 1,833,135.57 and 423,287.21

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Solution

The fourth proportional to 1,222,007.15, 1,833,135.57 and 423,287.21 is: 634,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,007.15 : 1,833,135.57 = 423,287.21 : x
  2. Step 2: Convert to fraction form
    1,222,007.15/1,833,135.57 = 423,287.21/x
  3. Step 3: Cross multiply
    1,222,007.15x = 1,833,135.57 × 423,287.21
  4. Step 4: Simplify right side
    1,222,007.15x = 775,942,839,918.84
  5. Step 5: Solve for x
    x = 775,942,839,918.84/1,222,007.15
  6. Step 6: Final answer
    x = 634,974.06

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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.