Finding the Fourth Proportional to 1,353,832.86, 1,868,313.36 and 741,944.88
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Solution
The fourth proportional to 1,353,832.86, 1,868,313.36 and 741,944.88 is: 1,023,897.09
Step by Step Solution
- Step 1: Write the proportion equation
1,353,832.86 : 1,868,313.36 = 741,944.88 : x - Step 2: Convert to fraction form
1,353,832.86/1,868,313.36 = 741,944.88/x - Step 3: Cross multiply
1,353,832.86x = 1,868,313.36 × 741,944.88 - Step 4: Simplify right side
1,353,832.86x = 1,386,185,531,687.60 - Step 5: Solve for x
x = 1,386,185,531,687.60/1,353,832.86 - Step 6: Final answer
x = 1,023,897.09
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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.