Finding the Fourth Proportional to 1,320,473.97, 1,822,261.66 and 776,632.68
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Solution
The fourth proportional to 1,320,473.97, 1,822,261.66 and 776,632.68 is: 1,071,757.56
Step by Step Solution
- Step 1: Write the proportion equation
1,320,473.97 : 1,822,261.66 = 776,632.68 : x - Step 2: Convert to fraction form
1,320,473.97/1,822,261.66 = 776,632.68/x - Step 3: Cross multiply
1,320,473.97x = 1,822,261.66 × 776,632.68 - Step 4: Simplify right side
1,320,473.97x = 1,415,227,954,725.47 - Step 5: Solve for x
x = 1,415,227,954,725.47/1,320,473.97 - Step 6: Final answer
x = 1,071,757.56
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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.