Home / 1,238,674.48-1,857,812.84-339,906.32

Finding the Fourth Proportional to 1,238,674.48, 1,857,812.84 and 339,906.32

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Solution

The fourth proportional to 1,238,674.48, 1,857,812.84 and 339,906.32 is: 509,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,674.48 : 1,857,812.84 = 339,906.32 : x
  2. Step 2: Convert to fraction form
    1,238,674.48/1,857,812.84 = 339,906.32/x
  3. Step 3: Cross multiply
    1,238,674.48x = 1,857,812.84 × 339,906.32
  4. Step 4: Simplify right side
    1,238,674.48x = 631,482,325,693.15
  5. Step 5: Solve for x
    x = 631,482,325,693.15/1,238,674.48
  6. Step 6: Final answer
    x = 509,804.91

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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.