Finding the Fourth Proportional to 1,178,068.14, 1,625,266.26 and 681,260.28
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Solution
The fourth proportional to 1,178,068.14, 1,625,266.26 and 681,260.28 is: 939,868.68
Step by Step Solution
- Step 1: Write the proportion equation
1,178,068.14 : 1,625,266.26 = 681,260.28 : x - Step 2: Convert to fraction form
1,178,068.14/1,625,266.26 = 681,260.28/x - Step 3: Cross multiply
1,178,068.14x = 1,625,266.26 × 681,260.28 - Step 4: Simplify right side
1,178,068.14x = 1,107,229,347,362.15 - Step 5: Solve for x
x = 1,107,229,347,362.15/1,178,068.14 - Step 6: Final answer
x = 939,868.68
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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.