Finding the Fourth Proportional to 1,104,091.90, 1,523,653.20 and 620,652.80
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Solution
The fourth proportional to 1,104,091.90, 1,523,653.20 and 620,652.80 is: 856,504.45
Step by Step Solution
- Step 1: Write the proportion equation
1,104,091.90 : 1,523,653.20 = 620,652.80 : x - Step 2: Convert to fraction form
1,104,091.90/1,523,653.20 = 620,652.80/x - Step 3: Cross multiply
1,104,091.90x = 1,523,653.20 × 620,652.80 - Step 4: Simplify right side
1,104,091.90x = 945,659,628,618.09 - Step 5: Solve for x
x = 945,659,628,618.09/1,104,091.90 - Step 6: Final answer
x = 856,504.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.