Finding the Fourth Proportional to 1,207,568.97, 1,666,448.67 and 663,760.48
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Solution
The fourth proportional to 1,207,568.97, 1,666,448.67 and 663,760.48 is: 915,991.39
Step by Step Solution
- Step 1: Write the proportion equation
1,207,568.97 : 1,666,448.67 = 663,760.48 : x - Step 2: Convert to fraction form
1,207,568.97/1,666,448.67 = 663,760.48/x - Step 3: Cross multiply
1,207,568.97x = 1,666,448.67 × 663,760.48 - Step 4: Simplify right side
1,207,568.97x = 1,106,122,769,094.56 - Step 5: Solve for x
x = 1,106,122,769,094.56/1,207,568.97 - Step 6: Final answer
x = 915,991.39
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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.