Finding the Fourth Proportional to 1,028,736.37, 1,419,348.99 and 665,585.02
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Solution
The fourth proportional to 1,028,736.37, 1,419,348.99 and 665,585.02 is: 918,308.57
Step by Step Solution
- Step 1: Write the proportion equation
1,028,736.37 : 1,419,348.99 = 665,585.02 : x - Step 2: Convert to fraction form
1,028,736.37/1,419,348.99 = 665,585.02/x - Step 3: Cross multiply
1,028,736.37x = 1,419,348.99 × 665,585.02 - Step 4: Simplify right side
1,028,736.37x = 944,697,425,896.13 - Step 5: Solve for x
x = 944,697,425,896.13/1,028,736.37 - Step 6: Final answer
x = 918,308.57
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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.