Finding the Fourth Proportional to 1,089,986.08, 1,634,960.08 and 490,523.04
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Solution
The fourth proportional to 1,089,986.08, 1,634,960.08 and 490,523.04 is: 735,775.99
Step by Step Solution
- Step 1: Write the proportion equation
1,089,986.08 : 1,634,960.08 = 490,523.04 : x - Step 2: Convert to fraction form
1,089,986.08/1,634,960.08 = 490,523.04/x - Step 3: Cross multiply
1,089,986.08x = 1,634,960.08 × 490,523.04 - Step 4: Simplify right side
1,089,986.08x = 801,985,588,720.24 - Step 5: Solve for x
x = 801,985,588,720.24/1,089,986.08 - Step 6: Final answer
x = 735,775.99
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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.