Finding the Fourth Proportional to 1,081,613.24, 1,492,825.95 and 694,912.07
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Solution
The fourth proportional to 1,081,613.24, 1,492,825.95 and 694,912.07 is: 959,106.94
Step by Step Solution
- Step 1: Write the proportion equation
1,081,613.24 : 1,492,825.95 = 694,912.07 : x - Step 2: Convert to fraction form
1,081,613.24/1,492,825.95 = 694,912.07/x - Step 3: Cross multiply
1,081,613.24x = 1,492,825.95 × 694,912.07 - Step 4: Simplify right side
1,081,613.24x = 1,037,382,763,600.09 - Step 5: Solve for x
x = 1,037,382,763,600.09/1,081,613.24 - Step 6: Final answer
x = 959,106.94
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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.