Finding the Fourth Proportional to 1,089,722.26, 1,634,566.98 and 490,260.10
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Solution
The fourth proportional to 1,089,722.26, 1,634,566.98 and 490,260.10 is: 735,382.77
Step by Step Solution
- Step 1: Write the proportion equation
1,089,722.26 : 1,634,566.98 = 490,260.10 : x - Step 2: Convert to fraction form
1,089,722.26/1,634,566.98 = 490,260.10/x - Step 3: Cross multiply
1,089,722.26x = 1,634,566.98 × 490,260.10 - Step 4: Simplify right side
1,089,722.26x = 801,362,971,071.50 - Step 5: Solve for x
x = 801,362,971,071.50/1,089,722.26 - Step 6: Final answer
x = 735,382.77
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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.