Finding the Fourth Proportional to 1,198,845.74, 1,654,430.92 and 655,015.21
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Solution
The fourth proportional to 1,198,845.74, 1,654,430.92 and 655,015.21 is: 903,933.99
Step by Step Solution
- Step 1: Write the proportion equation
1,198,845.74 : 1,654,430.92 = 655,015.21 : x - Step 2: Convert to fraction form
1,198,845.74/1,654,430.92 = 655,015.21/x - Step 3: Cross multiply
1,198,845.74x = 1,654,430.92 × 655,015.21 - Step 4: Simplify right side
1,198,845.74x = 1,083,677,410,720.68 - Step 5: Solve for x
x = 1,083,677,410,720.68/1,198,845.74 - Step 6: Final answer
x = 903,933.99
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1.5x scale
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.