Finding the Fourth Proportional to 1,186,083.60, 1,637,194.88 and 720,936.08
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Solution
The fourth proportional to 1,186,083.60, 1,637,194.88 and 720,936.08 is: 995,134.63
Step by Step Solution
- Step 1: Write the proportion equation
1,186,083.60 : 1,637,194.88 = 720,936.08 : x - Step 2: Convert to fraction form
1,186,083.60/1,637,194.88 = 720,936.08/x - Step 3: Cross multiply
1,186,083.60x = 1,637,194.88 × 720,936.08 - Step 4: Simplify right side
1,186,083.60x = 1,180,312,858,983.27 - Step 5: Solve for x
x = 1,180,312,858,983.27/1,186,083.60 - Step 6: Final answer
x = 995,134.63
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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.