Finding the Fourth Proportional to 1,125,502.26, 1,687,218.84 and 405,667.82
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Solution
The fourth proportional to 1,125,502.26, 1,687,218.84 and 405,667.82 is: 608,128.84
Step by Step Solution
- Step 1: Write the proportion equation
1,125,502.26 : 1,687,218.84 = 405,667.82 : x - Step 2: Convert to fraction form
1,125,502.26/1,687,218.84 = 405,667.82/x - Step 3: Cross multiply
1,125,502.26x = 1,687,218.84 × 405,667.82 - Step 4: Simplify right side
1,125,502.26x = 684,450,388,685.73 - Step 5: Solve for x
x = 684,450,388,685.73/1,125,502.26 - Step 6: Final answer
x = 608,128.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.