Finding the Fourth Proportional to 1,242,690.26, 1,714,712.50 and 698,793.62
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Solution
The fourth proportional to 1,242,690.26, 1,714,712.50 and 698,793.62 is: 964,222.70
Step by Step Solution
- Step 1: Write the proportion equation
1,242,690.26 : 1,714,712.50 = 698,793.62 : x - Step 2: Convert to fraction form
1,242,690.26/1,714,712.50 = 698,793.62/x - Step 3: Cross multiply
1,242,690.26x = 1,714,712.50 × 698,793.62 - Step 4: Simplify right side
1,242,690.26x = 1,198,230,155,134.25 - Step 5: Solve for x
x = 1,198,230,155,134.25/1,242,690.26 - Step 6: Final answer
x = 964,222.70
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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.