Finding the Fourth Proportional to 1,328,059.88, 1,832,668.50 and 784,371.68
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Solution
The fourth proportional to 1,328,059.88, 1,832,668.50 and 784,371.68 is: 1,082,400.94
Step by Step Solution
- Step 1: Write the proportion equation
1,328,059.88 : 1,832,668.50 = 784,371.68 : x - Step 2: Convert to fraction form
1,328,059.88/1,832,668.50 = 784,371.68/x - Step 3: Cross multiply
1,328,059.88x = 1,832,668.50 × 784,371.68 - Step 4: Simplify right side
1,328,059.88x = 1,437,493,261,064.74 - Step 5: Solve for x
x = 1,437,493,261,064.74/1,328,059.88 - Step 6: Final answer
x = 1,082,400.94
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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.