Finding the Fourth Proportional to 1,149,725.38, 1,586,670.06 and 640,427.98
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Solution
The fourth proportional to 1,149,725.38, 1,586,670.06 and 640,427.98 is: 883,817.93
Step by Step Solution
- Step 1: Write the proportion equation
1,149,725.38 : 1,586,670.06 = 640,427.98 : x - Step 2: Convert to fraction form
1,149,725.38/1,586,670.06 = 640,427.98/x - Step 3: Cross multiply
1,149,725.38x = 1,586,670.06 × 640,427.98 - Step 4: Simplify right side
1,149,725.38x = 1,016,147,901,452.28 - Step 5: Solve for x
x = 1,016,147,901,452.28/1,149,725.38 - Step 6: Final answer
x = 883,817.93
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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.