Finding the Fourth Proportional to 1,121,969.26, 1,682,941.74 and 896,270.86
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Solution
The fourth proportional to 1,121,969.26, 1,682,941.74 and 896,270.86 is: 1,344,396.58
Step by Step Solution
- Step 1: Write the proportion equation
1,121,969.26 : 1,682,941.74 = 896,270.86 : x - Step 2: Convert to fraction form
1,121,969.26/1,682,941.74 = 896,270.86/x - Step 3: Cross multiply
1,121,969.26x = 1,682,941.74 × 896,270.86 - Step 4: Simplify right side
1,121,969.26x = 1,508,371,640,639.70 - Step 5: Solve for x
x = 1,508,371,640,639.70/1,121,969.26 - Step 6: Final answer
x = 1,344,396.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.