Finding the Fourth Proportional to 1,383,370.19, 1,909,052.48 and 763,161.29
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Solution
The fourth proportional to 1,383,370.19, 1,909,052.48 and 763,161.29 is: 1,053,163.47
Step by Step Solution
- Step 1: Write the proportion equation
1,383,370.19 : 1,909,052.48 = 763,161.29 : x - Step 2: Convert to fraction form
1,383,370.19/1,909,052.48 = 763,161.29/x - Step 3: Cross multiply
1,383,370.19x = 1,909,052.48 × 763,161.29 - Step 4: Simplify right side
1,383,370.19x = 1,456,914,939,953.43 - Step 5: Solve for x
x = 1,456,914,939,953.43/1,383,370.19 - Step 6: Final answer
x = 1,053,163.47
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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.