Finding the Fourth Proportional to 1,457,399.09, 2,185,463.74 and 774,136.42
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Solution
The fourth proportional to 1,457,399.09, 2,185,463.74 and 774,136.42 is: 1,160,867.39
Step by Step Solution
- Step 1: Write the proportion equation
1,457,399.09 : 2,185,463.74 = 774,136.42 : x - Step 2: Convert to fraction form
1,457,399.09/2,185,463.74 = 774,136.42/x - Step 3: Cross multiply
1,457,399.09x = 2,185,463.74 × 774,136.42 - Step 4: Simplify right side
1,457,399.09x = 1,691,847,071,852.73 - Step 5: Solve for x
x = 1,691,847,071,852.73/1,457,399.09 - Step 6: Final answer
x = 1,160,867.39
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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.