Finding the Fourth Proportional to 1,241,355.96, 1,862,850.42 and 680,784.12
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Solution
The fourth proportional to 1,241,355.96, 1,862,850.42 and 680,784.12 is: 1,021,623.95
Step by Step Solution
- Step 1: Write the proportion equation
1,241,355.96 : 1,862,850.42 = 680,784.12 : x - Step 2: Convert to fraction form
1,241,355.96/1,862,850.42 = 680,784.12/x - Step 3: Cross multiply
1,241,355.96x = 1,862,850.42 × 680,784.12 - Step 4: Simplify right side
1,241,355.96x = 1,268,198,983,871.33 - Step 5: Solve for x
x = 1,268,198,983,871.33/1,241,355.96 - Step 6: Final answer
x = 1,021,623.95
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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.