Finding the Fourth Proportional to 1,041,931.28, 1,436,486.82 and 751,299.68
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Solution
The fourth proportional to 1,041,931.28, 1,436,486.82 and 751,299.68 is: 1,035,799.68
Step by Step Solution
- Step 1: Write the proportion equation
1,041,931.28 : 1,436,486.82 = 751,299.68 : x - Step 2: Convert to fraction form
1,041,931.28/1,436,486.82 = 751,299.68/x - Step 3: Cross multiply
1,041,931.28x = 1,436,486.82 × 751,299.68 - Step 4: Simplify right side
1,041,931.28x = 1,079,232,088,190.22 - Step 5: Solve for x
x = 1,079,232,088,190.22/1,041,931.28 - Step 6: Final answer
x = 1,035,799.68
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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.