Finding the Fourth Proportional to 1,368,230.96, 1,888,146.15 and 756,399.62
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Solution
The fourth proportional to 1,368,230.96, 1,888,146.15 and 756,399.62 is: 1,043,824.52
Step by Step Solution
- Step 1: Write the proportion equation
1,368,230.96 : 1,888,146.15 = 756,399.62 : x - Step 2: Convert to fraction form
1,368,230.96/1,888,146.15 = 756,399.62/x - Step 3: Cross multiply
1,368,230.96x = 1,888,146.15 × 756,399.62 - Step 4: Simplify right side
1,368,230.96x = 1,428,193,030,364.46 - Step 5: Solve for x
x = 1,428,193,030,364.46/1,368,230.96 - Step 6: Final answer
x = 1,043,824.52
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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.