Finding the Fourth Proportional to 1,254,924.16, 1,731,790.67 and 711,163.53
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Solution
The fourth proportional to 1,254,924.16, 1,731,790.67 and 711,163.53 is: 981,403.02
Step by Step Solution
- Step 1: Write the proportion equation
1,254,924.16 : 1,731,790.67 = 711,163.53 : x - Step 2: Convert to fraction form
1,254,924.16/1,731,790.67 = 711,163.53/x - Step 3: Cross multiply
1,254,924.16x = 1,731,790.67 × 711,163.53 - Step 4: Simplify right side
1,254,924.16x = 1,231,586,362,542.45 - Step 5: Solve for x
x = 1,231,586,362,542.45/1,254,924.16 - Step 6: Final answer
x = 981,403.02
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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.