Finding the Fourth Proportional to 1,241,382.96, 1,862,890.92 and 680,811.12
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Solution
The fourth proportional to 1,241,382.96, 1,862,890.92 and 680,811.12 is: 1,021,664.46
Step by Step Solution
- Step 1: Write the proportion equation
1,241,382.96 : 1,862,890.92 = 680,811.12 : x - Step 2: Convert to fraction form
1,241,382.96/1,862,890.92 = 680,811.12/x - Step 3: Cross multiply
1,241,382.96x = 1,862,890.92 × 680,811.12 - Step 4: Simplify right side
1,241,382.96x = 1,268,276,853,683.03 - Step 5: Solve for x
x = 1,268,276,853,683.03/1,241,382.96 - Step 6: Final answer
x = 1,021,664.46
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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.