Finding the Fourth Proportional to 1,057,728.14, 1,457,050.19 and 902,172.68
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Solution
The fourth proportional to 1,057,728.14, 1,457,050.19 and 902,172.68 is: 1,242,768.17
Step by Step Solution
- Step 1: Write the proportion equation
1,057,728.14 : 1,457,050.19 = 902,172.68 : x - Step 2: Convert to fraction form
1,057,728.14/1,457,050.19 = 902,172.68/x - Step 3: Cross multiply
1,057,728.14x = 1,457,050.19 × 902,172.68 - Step 4: Simplify right side
1,057,728.14x = 1,314,510,863,010.70 - Step 5: Solve for x
x = 1,314,510,863,010.70/1,057,728.14 - Step 6: Final answer
x = 1,242,768.17
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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.