Finding the Fourth Proportional to 1,307,585.97, 1,804,958.12 and 981,839.98
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Solution
The fourth proportional to 1,307,585.97, 1,804,958.12 and 981,839.98 is: 1,355,306.72
Step by Step Solution
- Step 1: Write the proportion equation
1,307,585.97 : 1,804,958.12 = 981,839.98 : x - Step 2: Convert to fraction form
1,307,585.97/1,804,958.12 = 981,839.98/x - Step 3: Cross multiply
1,307,585.97x = 1,804,958.12 × 981,839.98 - Step 4: Simplify right side
1,307,585.97x = 1,772,180,039,532.44 - Step 5: Solve for x
x = 1,772,180,039,532.44/1,307,585.97 - Step 6: Final answer
x = 1,355,306.72
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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.