Finding the Fourth Proportional to 1,192,536.93, 1,645,817.09 and 890,206.05
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Solution
The fourth proportional to 1,192,536.93, 1,645,817.09 and 890,206.05 is: 1,228,571.03
Step by Step Solution
- Step 1: Write the proportion equation
1,192,536.93 : 1,645,817.09 = 890,206.05 : x - Step 2: Convert to fraction form
1,192,536.93/1,645,817.09 = 890,206.05/x - Step 3: Cross multiply
1,192,536.93x = 1,645,817.09 × 890,206.05 - Step 4: Simplify right side
1,192,536.93x = 1,465,116,326,260.36 - Step 5: Solve for x
x = 1,465,116,326,260.36/1,192,536.93 - Step 6: Final answer
x = 1,228,571.03
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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.