Finding the Fourth Proportional to 1,278,249.06, 1,764,020.62 and 705,326.14
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Solution
The fourth proportional to 1,278,249.06, 1,764,020.62 and 705,326.14 is: 973,370.44
Step by Step Solution
- Step 1: Write the proportion equation
1,278,249.06 : 1,764,020.62 = 705,326.14 : x - Step 2: Convert to fraction form
1,278,249.06/1,764,020.62 = 705,326.14/x - Step 3: Cross multiply
1,278,249.06x = 1,764,020.62 × 705,326.14 - Step 4: Simplify right side
1,278,249.06x = 1,244,209,854,785.01 - Step 5: Solve for x
x = 1,244,209,854,785.01/1,278,249.06 - Step 6: Final answer
x = 973,370.44
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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.