Finding the Fourth Proportional to 1,304,486.39, 1,800,209.66 and 788,168.49
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Solution
The fourth proportional to 1,304,486.39, 1,800,209.66 and 788,168.49 is: 1,087,683.66
Step by Step Solution
- Step 1: Write the proportion equation
1,304,486.39 : 1,800,209.66 = 788,168.49 : x - Step 2: Convert to fraction form
1,304,486.39/1,800,209.66 = 788,168.49/x - Step 3: Cross multiply
1,304,486.39x = 1,800,209.66 × 788,168.49 - Step 4: Simplify right side
1,304,486.39x = 1,418,868,525,464.77 - Step 5: Solve for x
x = 1,418,868,525,464.77/1,304,486.39 - Step 6: Final answer
x = 1,087,683.66
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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.