Finding the Fourth Proportional to 1,283,471.70, 1,770,671.85 and 739,316.04
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Solution
The fourth proportional to 1,283,471.70, 1,770,671.85 and 739,316.04 is: 1,019,957.12
Step by Step Solution
- Step 1: Write the proportion equation
1,283,471.70 : 1,770,671.85 = 739,316.04 : x - Step 2: Convert to fraction form
1,283,471.70/1,770,671.85 = 739,316.04/x - Step 3: Cross multiply
1,283,471.70x = 1,770,671.85 × 739,316.04 - Step 4: Simplify right side
1,283,471.70x = 1,309,086,100,281.47 - Step 5: Solve for x
x = 1,309,086,100,281.47/1,283,471.70 - Step 6: Final answer
x = 1,019,957.12
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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.