Finding the Fourth Proportional to 1,052,421.16, 1,452,474.18 and 690,149.80
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Solution
The fourth proportional to 1,052,421.16, 1,452,474.18 and 690,149.80 is: 952,493.93
Step by Step Solution
- Step 1: Write the proportion equation
1,052,421.16 : 1,452,474.18 = 690,149.80 : x - Step 2: Convert to fraction form
1,052,421.16/1,452,474.18 = 690,149.80/x - Step 3: Cross multiply
1,052,421.16x = 1,452,474.18 × 690,149.80 - Step 4: Simplify right side
1,052,421.16x = 1,002,424,764,832.16 - Step 5: Solve for x
x = 1,002,424,764,832.16/1,052,421.16 - Step 6: Final answer
x = 952,493.93
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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.