Finding the Fourth Proportional to 1,089,988.62, 1,635,245.49 and 342,034.62
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Solution
The fourth proportional to 1,089,988.62, 1,635,245.49 and 342,034.62 is: 513,134.32
Step by Step Solution
- Step 1: Write the proportion equation
1,089,988.62 : 1,635,245.49 = 342,034.62 : x - Step 2: Convert to fraction form
1,089,988.62/1,635,245.49 = 342,034.62/x - Step 3: Cross multiply
1,089,988.62x = 1,635,245.49 × 342,034.62 - Step 4: Simplify right side
1,089,988.62x = 559,310,569,778.86 - Step 5: Solve for x
x = 559,310,569,778.86/1,089,988.62 - Step 6: Final answer
x = 513,134.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.