Finding the Fourth Proportional to 1,403,933.75, 1,937,428.70 and 759,353.97
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Solution
The fourth proportional to 1,403,933.75, 1,937,428.70 and 759,353.97 is: 1,047,908.55
Step by Step Solution
- Step 1: Write the proportion equation
1,403,933.75 : 1,937,428.70 = 759,353.97 : x - Step 2: Convert to fraction form
1,403,933.75/1,937,428.70 = 759,353.97/x - Step 3: Cross multiply
1,403,933.75x = 1,937,428.70 × 759,353.97 - Step 4: Simplify right side
1,403,933.75x = 1,471,194,171,140.17 - Step 5: Solve for x
x = 1,471,194,171,140.17/1,403,933.75 - Step 6: Final answer
x = 1,047,908.55
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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.