Finding the Fourth Proportional to 1,149,212.94, 1,725,343.08 and 981,809.02
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Solution
The fourth proportional to 1,149,212.94, 1,725,343.08 and 981,809.02 is: 1,474,015.25
Step by Step Solution
- Step 1: Write the proportion equation
1,149,212.94 : 1,725,343.08 = 981,809.02 : x - Step 2: Convert to fraction form
1,149,212.94/1,725,343.08 = 981,809.02/x - Step 3: Cross multiply
1,149,212.94x = 1,725,343.08 × 981,809.02 - Step 4: Simplify right side
1,149,212.94x = 1,693,957,398,538.58 - Step 5: Solve for x
x = 1,693,957,398,538.58/1,149,212.94 - Step 6: Final answer
x = 1,474,015.25
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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.