Finding the Fourth Proportional to 1,202,075.36, 1,658,975.28 and 665,531.36
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Solution
The fourth proportional to 1,202,075.36, 1,658,975.28 and 665,531.36 is: 918,494.89
Step by Step Solution
- Step 1: Write the proportion equation
1,202,075.36 : 1,658,975.28 = 665,531.36 : x - Step 2: Convert to fraction form
1,202,075.36/1,658,975.28 = 665,531.36/x - Step 3: Cross multiply
1,202,075.36x = 1,658,975.28 × 665,531.36 - Step 4: Simplify right side
1,202,075.36x = 1,104,100,074,304.78 - Step 5: Solve for x
x = 1,104,100,074,304.78/1,202,075.36 - Step 6: Final answer
x = 918,494.89
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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.