Finding the Fourth Proportional to 1,409,348.74, 1,944,906.42 and 764,768.91
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Solution
The fourth proportional to 1,409,348.74, 1,944,906.42 and 764,768.91 is: 1,055,383.90
Step by Step Solution
- Step 1: Write the proportion equation
1,409,348.74 : 1,944,906.42 = 764,768.91 : x - Step 2: Convert to fraction form
1,409,348.74/1,944,906.42 = 764,768.91/x - Step 3: Cross multiply
1,409,348.74x = 1,944,906.42 × 764,768.91 - Step 4: Simplify right side
1,409,348.74x = 1,487,403,962,875.40 - Step 5: Solve for x
x = 1,487,403,962,875.40/1,409,348.74 - Step 6: Final answer
x = 1,055,383.90
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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.