Finding the Fourth Proportional to 1,278,928.24, 1,764,935.52 and 705,968.68
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Solution
The fourth proportional to 1,278,928.24, 1,764,935.52 and 705,968.68 is: 974,244.81
Step by Step Solution
- Step 1: Write the proportion equation
1,278,928.24 : 1,764,935.52 = 705,968.68 : x - Step 2: Convert to fraction form
1,278,928.24/1,764,935.52 = 705,968.68/x - Step 3: Cross multiply
1,278,928.24x = 1,764,935.52 × 705,968.68 - Step 4: Simplify right side
1,278,928.24x = 1,245,989,199,339.51 - Step 5: Solve for x
x = 1,245,989,199,339.51/1,278,928.24 - Step 6: Final answer
x = 974,244.81
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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.