Home / 1,218,759.54-1,827,019.74-419,851.14

Finding the Fourth Proportional to 1,218,759.54, 1,827,019.74 and 419,851.14

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Solution

The fourth proportional to 1,218,759.54, 1,827,019.74 and 419,851.14 is: 629,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,759.54 : 1,827,019.74 = 419,851.14 : x
  2. Step 2: Convert to fraction form
    1,218,759.54/1,827,019.74 = 419,851.14/x
  3. Step 3: Cross multiply
    1,218,759.54x = 1,827,019.74 × 419,851.14
  4. Step 4: Simplify right side
    1,218,759.54x = 767,076,320,641.50
  5. Step 5: Solve for x
    x = 767,076,320,641.50/1,218,759.54
  6. Step 6: Final answer
    x = 629,391.03

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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.