Finding the Fourth Proportional to 1,202,071.36, 1,658,969.76 and 665,527.36
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Solution
The fourth proportional to 1,202,071.36, 1,658,969.76 and 665,527.36 is: 918,489.37
Step by Step Solution
- Step 1: Write the proportion equation
1,202,071.36 : 1,658,969.76 = 665,527.36 : x - Step 2: Convert to fraction form
1,202,071.36/1,658,969.76 = 665,527.36/x - Step 3: Cross multiply
1,202,071.36x = 1,658,969.76 × 665,527.36 - Step 4: Simplify right side
1,202,071.36x = 1,104,089,764,692.63 - Step 5: Solve for x
x = 1,104,089,764,692.63/1,202,071.36 - Step 6: Final answer
x = 918,489.37
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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.