Finding the Fourth Proportional to 1,383,473.44, 1,909,176.24 and 779,861.44
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Solution
The fourth proportional to 1,383,473.44, 1,909,176.24 and 779,861.44 is: 1,076,199.14
Step by Step Solution
- Step 1: Write the proportion equation
1,383,473.44 : 1,909,176.24 = 779,861.44 : x - Step 2: Convert to fraction form
1,383,473.44/1,909,176.24 = 779,861.44/x - Step 3: Cross multiply
1,383,473.44x = 1,909,176.24 × 779,861.44 - Step 4: Simplify right side
1,383,473.44x = 1,488,892,931,740.19 - Step 5: Solve for x
x = 1,488,892,931,740.19/1,383,473.44 - Step 6: Final answer
x = 1,076,199.14
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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.