Finding the Fourth Proportional to 1,089,153.78, 1,632,519.99 and 822,048.18
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Solution
The fourth proportional to 1,089,153.78, 1,632,519.99 and 822,048.18 is: 1,232,158.50
Step by Step Solution
- Step 1: Write the proportion equation
1,089,153.78 : 1,632,519.99 = 822,048.18 : x - Step 2: Convert to fraction form
1,089,153.78/1,632,519.99 = 822,048.18/x - Step 3: Cross multiply
1,089,153.78x = 1,632,519.99 × 822,048.18 - Step 4: Simplify right side
1,089,153.78x = 1,342,010,086,593.12 - Step 5: Solve for x
x = 1,342,010,086,593.12/1,089,153.78 - Step 6: Final answer
x = 1,232,158.50
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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.