Finding the Fourth Proportional to 1,092,271.60, 1,641,906.60 and 778,898.80
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Solution
The fourth proportional to 1,092,271.60, 1,641,906.60 and 778,898.80 is: 1,170,843.48
Step by Step Solution
- Step 1: Write the proportion equation
1,092,271.60 : 1,641,906.60 = 778,898.80 : x - Step 2: Convert to fraction form
1,092,271.60/1,641,906.60 = 778,898.80/x - Step 3: Cross multiply
1,092,271.60x = 1,641,906.60 × 778,898.80 - Step 4: Simplify right side
1,092,271.60x = 1,278,879,080,452.08 - Step 5: Solve for x
x = 1,278,879,080,452.08/1,092,271.60 - Step 6: Final answer
x = 1,170,843.48
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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.