Finding the Fourth Proportional to 1,321,747.75, 1,824,102.09 and 748,792.63
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Solution
The fourth proportional to 1,321,747.75, 1,824,102.09 and 748,792.63 is: 1,033,384.93
Step by Step Solution
- Step 1: Write the proportion equation
1,321,747.75 : 1,824,102.09 = 748,792.63 : x - Step 2: Convert to fraction form
1,321,747.75/1,824,102.09 = 748,792.63/x - Step 3: Cross multiply
1,321,747.75x = 1,824,102.09 × 748,792.63 - Step 4: Simplify right side
1,321,747.75x = 1,365,874,201,359.60 - Step 5: Solve for x
x = 1,365,874,201,359.60/1,321,747.75 - Step 6: Final answer
x = 1,033,384.93
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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.