Finding the Fourth Proportional to 965,657.60, 1,354,720 and 965,657.60
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Solution
The fourth proportional to 965,657.60, 1,354,720 and 965,657.60 is: 1,354,720
Step by Step Solution
- Step 1: Write the proportion equation
965,657.60 : 1,354,720 = 965,657.60 : x - Step 2: Convert to fraction form
965,657.60/1,354,720 = 965,657.60/x - Step 3: Cross multiply
965,657.60x = 1,354,720 × 965,657.60 - Step 4: Simplify right side
965,657.60x = 1,308,195,663,872 - Step 5: Solve for x
x = 1,308,195,663,872/965,657.60 - Step 6: Final answer
x = 1,354,720
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.