Home / 1,098,072.80-1,645,880.40-624,984.80

Finding the Fourth Proportional to 1,098,072.80, 1,645,880.40 and 624,984.80

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Solution

The fourth proportional to 1,098,072.80, 1,645,880.40 and 624,984.80 is: 936,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,072.80 : 1,645,880.40 = 624,984.80 : x
  2. Step 2: Convert to fraction form
    1,098,072.80/1,645,880.40 = 624,984.80/x
  3. Step 3: Cross multiply
    1,098,072.80x = 1,645,880.40 × 624,984.80
  4. Step 4: Simplify right side
    1,098,072.80x = 1,028,650,232,617.92
  5. Step 5: Solve for x
    x = 1,028,650,232,617.92/1,098,072.80
  6. Step 6: Final answer
    x = 936,777.81

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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.