Finding the Fourth Proportional to 1,135,741.16, 1,703,243.18 and 377,378.96
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Solution
The fourth proportional to 1,135,741.16, 1,703,243.18 and 377,378.96 is: 565,945.98
Step by Step Solution
- Step 1: Write the proportion equation
1,135,741.16 : 1,703,243.18 = 377,378.96 : x - Step 2: Convert to fraction form
1,135,741.16/1,703,243.18 = 377,378.96/x - Step 3: Cross multiply
1,135,741.16x = 1,703,243.18 × 377,378.96 - Step 4: Simplify right side
1,135,741.16x = 642,768,139,895.49 - Step 5: Solve for x
x = 642,768,139,895.49/1,135,741.16 - Step 6: Final answer
x = 565,945.98
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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.