Finding the Fourth Proportional to 1,308,441.61, 1,805,650.48 and 727,652.09
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Solution
The fourth proportional to 1,308,441.61, 1,805,650.48 and 727,652.09 is: 1,004,160.48
Step by Step Solution
- Step 1: Write the proportion equation
1,308,441.61 : 1,805,650.48 = 727,652.09 : x - Step 2: Convert to fraction form
1,308,441.61/1,805,650.48 = 727,652.09/x - Step 3: Cross multiply
1,308,441.61x = 1,805,650.48 × 727,652.09 - Step 4: Simplify right side
1,308,441.61x = 1,313,885,351,005.19 - Step 5: Solve for x
x = 1,313,885,351,005.19/1,308,441.61 - Step 6: Final answer
x = 1,004,160.48
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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.