Finding the Fourth Proportional to 1,321,751.99, 1,824,107.95 and 748,796.87
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Solution
The fourth proportional to 1,321,751.99, 1,824,107.95 and 748,796.87 is: 1,033,390.78
Step by Step Solution
- Step 1: Write the proportion equation
1,321,751.99 : 1,824,107.95 = 748,796.87 : x - Step 2: Convert to fraction form
1,321,751.99/1,824,107.95 = 748,796.87/x - Step 3: Cross multiply
1,321,751.99x = 1,824,107.95 × 748,796.87 - Step 4: Simplify right side
1,321,751.99x = 1,365,886,328,998.38 - Step 5: Solve for x
x = 1,365,886,328,998.38/1,321,751.99 - Step 6: Final answer
x = 1,033,390.78
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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.