Home / 1,089,653.04-1,634,949.63-415,936.62

Finding the Fourth Proportional to 1,089,653.04, 1,634,949.63 and 415,936.62

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Solution

The fourth proportional to 1,089,653.04, 1,634,949.63 and 415,936.62 is: 624,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,653.04 : 1,634,949.63 = 415,936.62 : x
  2. Step 2: Convert to fraction form
    1,089,653.04/1,634,949.63 = 415,936.62/x
  3. Step 3: Cross multiply
    1,089,653.04x = 1,634,949.63 × 415,936.62
  4. Step 4: Simplify right side
    1,089,653.04x = 680,035,422,972.45
  5. Step 5: Solve for x
    x = 680,035,422,972.45/1,089,653.04
  6. Step 6: Final answer
    x = 624,084.36

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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.