Finding the Fourth Proportional to 1,382,264.46, 1,907,293.68 and 770,283.08
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Solution
The fourth proportional to 1,382,264.46, 1,907,293.68 and 770,283.08 is: 1,062,861.76
Step by Step Solution
- Step 1: Write the proportion equation
1,382,264.46 : 1,907,293.68 = 770,283.08 : x - Step 2: Convert to fraction form
1,382,264.46/1,907,293.68 = 770,283.08/x - Step 3: Cross multiply
1,382,264.46x = 1,907,293.68 × 770,283.08 - Step 4: Simplify right side
1,382,264.46x = 1,469,156,040,758.47 - Step 5: Solve for x
x = 1,469,156,040,758.47/1,382,264.46 - Step 6: Final answer
x = 1,062,861.76
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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.