Finding the Fourth Proportional to 1,072,453.49, 1,608,323.02 and 432,591.97
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Solution
The fourth proportional to 1,072,453.49, 1,608,323.02 and 432,591.97 is: 648,743.87
Step by Step Solution
- Step 1: Write the proportion equation
1,072,453.49 : 1,608,323.02 = 432,591.97 : x - Step 2: Convert to fraction form
1,072,453.49/1,608,323.02 = 432,591.97/x - Step 3: Cross multiply
1,072,453.49x = 1,608,323.02 × 432,591.97 - Step 4: Simplify right side
1,072,453.49x = 695,747,623,618.15 - Step 5: Solve for x
x = 695,747,623,618.15/1,072,453.49 - Step 6: Final answer
x = 648,743.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.