Finding the Fourth Proportional to 1,355,889.62, 1,871,122.56 and 744,052.64
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Solution
The fourth proportional to 1,355,889.62, 1,871,122.56 and 744,052.64 is: 1,026,789.84
Step by Step Solution
- Step 1: Write the proportion equation
1,355,889.62 : 1,871,122.56 = 744,052.64 : x - Step 2: Convert to fraction form
1,355,889.62/1,871,122.56 = 744,052.64/x - Step 3: Cross multiply
1,355,889.62x = 1,871,122.56 × 744,052.64 - Step 4: Simplify right side
1,355,889.62x = 1,392,213,680,531.56 - Step 5: Solve for x
x = 1,392,213,680,531.56/1,355,889.62 - Step 6: Final answer
x = 1,026,789.84
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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.