Finding the Fourth Proportional to 943,652.20, 1,413,404.70 and 819,236.20
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Solution
The fourth proportional to 943,652.20, 1,413,404.70 and 819,236.20 is: 1,227,054.09
Step by Step Solution
- Step 1: Write the proportion equation
943,652.20 : 1,413,404.70 = 819,236.20 : x - Step 2: Convert to fraction form
943,652.20/1,413,404.70 = 819,236.20/x - Step 3: Cross multiply
943,652.20x = 1,413,404.70 × 819,236.20 - Step 4: Simplify right side
943,652.20x = 1,157,912,295,490.14 - Step 5: Solve for x
x = 1,157,912,295,490.14/943,652.20 - Step 6: Final answer
x = 1,227,054.09
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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.