Finding the Fourth Proportional to 1,170,988.44, 1,616,409.98 and 763,189.49
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Solution
The fourth proportional to 1,170,988.44, 1,616,409.98 and 763,189.49 is: 1,053,492.13
Step by Step Solution
- Step 1: Write the proportion equation
1,170,988.44 : 1,616,409.98 = 763,189.49 : x - Step 2: Convert to fraction form
1,170,988.44/1,616,409.98 = 763,189.49/x - Step 3: Cross multiply
1,170,988.44x = 1,616,409.98 × 763,189.49 - Step 4: Simplify right side
1,170,988.44x = 1,233,627,111,100.94 - Step 5: Solve for x
x = 1,233,627,111,100.94/1,170,988.44 - Step 6: Final answer
x = 1,053,492.13
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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.