Finding the Fourth Proportional to 1,368,224.60, 1,888,137.14 and 756,393.12
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Solution
The fourth proportional to 1,368,224.60, 1,888,137.14 and 756,393.12 is: 1,043,815.43
Step by Step Solution
- Step 1: Write the proportion equation
1,368,224.60 : 1,888,137.14 = 756,393.12 : x - Step 2: Convert to fraction form
1,368,224.60/1,888,137.14 = 756,393.12/x - Step 3: Cross multiply
1,368,224.60x = 1,888,137.14 × 756,393.12 - Step 4: Simplify right side
1,368,224.60x = 1,428,173,938,530.51 - Step 5: Solve for x
x = 1,428,173,938,530.51/1,368,224.60 - Step 6: Final answer
x = 1,043,815.43
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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.