Finding the Fourth Proportional to 943,442.20, 1,413,608.10 and 784,811.80
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Solution
The fourth proportional to 943,442.20, 1,413,608.10 and 784,811.80 is: 1,175,923.99
Step by Step Solution
- Step 1: Write the proportion equation
943,442.20 : 1,413,608.10 = 784,811.80 : x - Step 2: Convert to fraction form
943,442.20/1,413,608.10 = 784,811.80/x - Step 3: Cross multiply
943,442.20x = 1,413,608.10 × 784,811.80 - Step 4: Simplify right side
943,442.20x = 1,109,416,317,455.58 - Step 5: Solve for x
x = 1,109,416,317,455.58/943,442.20 - Step 6: Final answer
x = 1,175,923.99
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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.