Finding the Fourth Proportional to 1,261,092.99, 1,740,350.34 and 688,164.60
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Solution
The fourth proportional to 1,261,092.99, 1,740,350.34 and 688,164.60 is: 949,690.07
Step by Step Solution
- Step 1: Write the proportion equation
1,261,092.99 : 1,740,350.34 = 688,164.60 : x - Step 2: Convert to fraction form
1,261,092.99/1,740,350.34 = 688,164.60/x - Step 3: Cross multiply
1,261,092.99x = 1,740,350.34 × 688,164.60 - Step 4: Simplify right side
1,261,092.99x = 1,197,647,495,585.96 - Step 5: Solve for x
x = 1,197,647,495,585.96/1,261,092.99 - Step 6: Final answer
x = 949,690.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.