Finding the Fourth Proportional to 1,242,747.64, 1,714,975.44 and 698,883.26
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Solution
The fourth proportional to 1,242,747.64, 1,714,975.44 and 698,883.26 is: 964,449.73
Step by Step Solution
- Step 1: Write the proportion equation
1,242,747.64 : 1,714,975.44 = 698,883.26 : x - Step 2: Convert to fraction form
1,242,747.64/1,714,975.44 = 698,883.26/x - Step 3: Cross multiply
1,242,747.64x = 1,714,975.44 × 698,883.26 - Step 4: Simplify right side
1,242,747.64x = 1,198,567,626,327.13 - Step 5: Solve for x
x = 1,198,567,626,327.13/1,242,747.64 - Step 6: Final answer
x = 964,449.73
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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.