Finding the Fourth Proportional to 1,123,008.75, 1,683,502.24 and 412,884.99
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Solution
The fourth proportional to 1,123,008.75, 1,683,502.24 and 412,884.99 is: 618,955.82
Step by Step Solution
- Step 1: Write the proportion equation
1,123,008.75 : 1,683,502.24 = 412,884.99 : x - Step 2: Convert to fraction form
1,123,008.75/1,683,502.24 = 412,884.99/x - Step 3: Cross multiply
1,123,008.75x = 1,683,502.24 × 412,884.99 - Step 4: Simplify right side
1,123,008.75x = 695,092,805,527.38 - Step 5: Solve for x
x = 695,092,805,527.38/1,123,008.75 - Step 6: Final answer
x = 618,955.82
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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.