Finding the Fourth Proportional to 1,181,302.20, 1,772,828.10 and 471,839.40
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Solution
The fourth proportional to 1,181,302.20, 1,772,828.10 and 471,839.40 is: 708,108.52
Step by Step Solution
- Step 1: Write the proportion equation
1,181,302.20 : 1,772,828.10 = 471,839.40 : x - Step 2: Convert to fraction form
1,181,302.20/1,772,828.10 = 471,839.40/x - Step 3: Cross multiply
1,181,302.20x = 1,772,828.10 × 471,839.40 - Step 4: Simplify right side
1,181,302.20x = 836,490,147,007.14 - Step 5: Solve for x
x = 836,490,147,007.14/1,181,302.20 - Step 6: Final answer
x = 708,108.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.