Finding the Fourth Proportional to 1,304,485.89, 1,800,208.97 and 788,167.99
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Solution
The fourth proportional to 1,304,485.89, 1,800,208.97 and 788,167.99 is: 1,087,682.97
Step by Step Solution
- Step 1: Write the proportion equation
1,304,485.89 : 1,800,208.97 = 788,167.99 : x - Step 2: Convert to fraction form
1,304,485.89/1,800,208.97 = 788,167.99/x - Step 3: Cross multiply
1,304,485.89x = 1,800,208.97 × 788,167.99 - Step 4: Simplify right side
1,304,485.89x = 1,418,867,085,464.87 - Step 5: Solve for x
x = 1,418,867,085,464.87/1,304,485.89 - Step 6: Final answer
x = 1,087,682.97
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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.