Finding the Fourth Proportional to 1,076,988.53, 1,486,497.42 and 669,398.19
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Solution
The fourth proportional to 1,076,988.53, 1,486,497.42 and 669,398.19 is: 923,926.91
Step by Step Solution
- Step 1: Write the proportion equation
1,076,988.53 : 1,486,497.42 = 669,398.19 : x - Step 2: Convert to fraction form
1,076,988.53/1,486,497.42 = 669,398.19/x - Step 3: Cross multiply
1,076,988.53x = 1,486,497.42 × 669,398.19 - Step 4: Simplify right side
1,076,988.53x = 995,058,682,387.67 - Step 5: Solve for x
x = 995,058,682,387.67/1,076,988.53 - Step 6: Final answer
x = 923,926.91
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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.