Finding the Fourth Proportional to 1,345,754.44, 1,857,078.66 and 772,391.08
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Solution
The fourth proportional to 1,345,754.44, 1,857,078.66 and 772,391.08 is: 1,065,863.84
Step by Step Solution
- Step 1: Write the proportion equation
1,345,754.44 : 1,857,078.66 = 772,391.08 : x - Step 2: Convert to fraction form
1,345,754.44/1,857,078.66 = 772,391.08/x - Step 3: Cross multiply
1,345,754.44x = 1,857,078.66 × 772,391.08 - Step 4: Simplify right side
1,345,754.44x = 1,434,390,991,842.35 - Step 5: Solve for x
x = 1,434,390,991,842.35/1,345,754.44 - Step 6: Final answer
x = 1,065,863.84
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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.