Finding the Fourth Proportional to 1,207,034.39, 1,665,014.74 and 753,538.07
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Solution
The fourth proportional to 1,207,034.39, 1,665,014.74 and 753,538.07 is: 1,039,450.08
Step by Step Solution
- Step 1: Write the proportion equation
1,207,034.39 : 1,665,014.74 = 753,538.07 : x - Step 2: Convert to fraction form
1,207,034.39/1,665,014.74 = 753,538.07/x - Step 3: Cross multiply
1,207,034.39x = 1,665,014.74 × 753,538.07 - Step 4: Simplify right side
1,207,034.39x = 1,254,651,995,979.84 - Step 5: Solve for x
x = 1,254,651,995,979.84/1,207,034.39 - Step 6: Final answer
x = 1,039,450.08
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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.