Finding the Fourth Proportional to 1,418,825.97, 1,958,021.19 and 774,287.68
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Solution
The fourth proportional to 1,418,825.97, 1,958,021.19 and 774,287.68 is: 1,068,539.57
Step by Step Solution
- Step 1: Write the proportion equation
1,418,825.97 : 1,958,021.19 = 774,287.68 : x - Step 2: Convert to fraction form
1,418,825.97/1,958,021.19 = 774,287.68/x - Step 3: Cross multiply
1,418,825.97x = 1,958,021.19 × 774,287.68 - Step 4: Simplify right side
1,418,825.97x = 1,516,071,691,426.71 - Step 5: Solve for x
x = 1,516,071,691,426.71/1,418,825.97 - Step 6: Final answer
x = 1,068,539.57
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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.