Finding the Fourth Proportional to 821,837.70, 1,232,756.55 and 821,837.70
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Solution
The fourth proportional to 821,837.70, 1,232,756.55 and 821,837.70 is: 1,232,756.55
Step by Step Solution
- Step 1: Write the proportion equation
821,837.70 : 1,232,756.55 = 821,837.70 : x - Step 2: Convert to fraction form
821,837.70/1,232,756.55 = 821,837.70/x - Step 3: Cross multiply
821,837.70x = 1,232,756.55 × 821,837.70 - Step 4: Simplify right side
821,837.70x = 1,013,125,807,711.94 - Step 5: Solve for x
x = 1,013,125,807,711.94/821,837.70 - Step 6: Final answer
x = 1,232,756.55
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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.