Finding the Fourth Proportional to 1,222,226.16, 1,686,880.84 and 705,887.26
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Solution
The fourth proportional to 1,222,226.16, 1,686,880.84 and 705,887.26 is: 974,244.97
Step by Step Solution
- Step 1: Write the proportion equation
1,222,226.16 : 1,686,880.84 = 705,887.26 : x - Step 2: Convert to fraction form
1,222,226.16/1,686,880.84 = 705,887.26/x - Step 3: Cross multiply
1,222,226.16x = 1,686,880.84 × 705,887.26 - Step 4: Simplify right side
1,222,226.16x = 1,190,747,689,435.72 - Step 5: Solve for x
x = 1,190,747,689,435.72/1,222,226.16 - Step 6: Final answer
x = 974,244.97
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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.