Finding the Fourth Proportional to 1,275,352.80, 1,760,066.44 and 702,392.82
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Solution
The fourth proportional to 1,275,352.80, 1,760,066.44 and 702,392.82 is: 969,345.92
Step by Step Solution
- Step 1: Write the proportion equation
1,275,352.80 : 1,760,066.44 = 702,392.82 : x - Step 2: Convert to fraction form
1,275,352.80/1,760,066.44 = 702,392.82/x - Step 3: Cross multiply
1,275,352.80x = 1,760,066.44 × 702,392.82 - Step 4: Simplify right side
1,275,352.80x = 1,236,258,030,178.96 - Step 5: Solve for x
x = 1,236,258,030,178.96/1,275,352.80 - Step 6: Final answer
x = 969,345.92
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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.