Finding the Fourth Proportional to 1,242,744.14, 1,714,970.61 and 698,879.75
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Solution
The fourth proportional to 1,242,744.14, 1,714,970.61 and 698,879.75 is: 964,444.89
Step by Step Solution
- Step 1: Write the proportion equation
1,242,744.14 : 1,714,970.61 = 698,879.75 : x - Step 2: Convert to fraction form
1,242,744.14/1,714,970.61 = 698,879.75/x - Step 3: Cross multiply
1,242,744.14x = 1,714,970.61 × 698,879.75 - Step 4: Simplify right side
1,242,744.14x = 1,198,558,231,174.15 - Step 5: Solve for x
x = 1,198,558,231,174.15/1,242,744.14 - Step 6: Final answer
x = 964,444.89
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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.