Finding the Fourth Proportional to 1,409,352.99, 1,944,912.38 and 764,773.13
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Solution
The fourth proportional to 1,409,352.99, 1,944,912.38 and 764,773.13 is: 1,055,389.77
Step by Step Solution
- Step 1: Write the proportion equation
1,409,352.99 : 1,944,912.38 = 764,773.13 : x - Step 2: Convert to fraction form
1,409,352.99/1,944,912.38 = 764,773.13/x - Step 3: Cross multiply
1,409,352.99x = 1,944,912.38 × 764,773.13 - Step 4: Simplify right side
1,409,352.99x = 1,487,416,728,428.35 - Step 5: Solve for x
x = 1,487,416,728,428.35/1,409,352.99 - Step 6: Final answer
x = 1,055,389.77
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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.