Finding the Fourth Proportional to 1,242,234.13, 1,714,243.09 and 698,392.75
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Solution
The fourth proportional to 1,242,234.13, 1,714,243.09 and 698,392.75 is: 963,759.50
Step by Step Solution
- Step 1: Write the proportion equation
1,242,234.13 : 1,714,243.09 = 698,392.75 : x - Step 2: Convert to fraction form
1,242,234.13/1,714,243.09 = 698,392.75/x - Step 3: Cross multiply
1,242,234.13x = 1,714,243.09 × 698,392.75 - Step 4: Simplify right side
1,242,234.13x = 1,197,214,945,793.60 - Step 5: Solve for x
x = 1,197,214,945,793.60/1,242,234.13 - Step 6: Final answer
x = 963,759.50
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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.