Finding the Fourth Proportional to 1,398,163.41, 2,092,734.36 and 723,315.42
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Solution
The fourth proportional to 1,398,163.41, 2,092,734.36 and 723,315.42 is: 1,082,639.57
Step by Step Solution
- Step 1: Write the proportion equation
1,398,163.41 : 2,092,734.36 = 723,315.42 : x - Step 2: Convert to fraction form
1,398,163.41/2,092,734.36 = 723,315.42/x - Step 3: Cross multiply
1,398,163.41x = 2,092,734.36 × 723,315.42 - Step 4: Simplify right side
1,398,163.41x = 1,513,707,032,551.83 - Step 5: Solve for x
x = 1,513,707,032,551.83/1,398,163.41 - Step 6: Final answer
x = 1,082,639.57
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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.