Finding the Fourth Proportional to 1,186,087.09, 1,636,735.35 and 695,990.62
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Solution
The fourth proportional to 1,186,087.09, 1,636,735.35 and 695,990.62 is: 960,429.01
Step by Step Solution
- Step 1: Write the proportion equation
1,186,087.09 : 1,636,735.35 = 695,990.62 : x - Step 2: Convert to fraction form
1,186,087.09/1,636,735.35 = 695,990.62/x - Step 3: Cross multiply
1,186,087.09x = 1,636,735.35 × 695,990.62 - Step 4: Simplify right side
1,186,087.09x = 1,139,152,451,022.42 - Step 5: Solve for x
x = 1,139,152,451,022.42/1,186,087.09 - Step 6: Final answer
x = 960,429.01
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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.