Finding the Fourth Proportional to 1,138,837.93, 1,571,534.67 and 629,507.50
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Solution
The fourth proportional to 1,138,837.93, 1,571,534.67 and 629,507.50 is: 868,686.26
Step by Step Solution
- Step 1: Write the proportion equation
1,138,837.93 : 1,571,534.67 = 629,507.50 : x - Step 2: Convert to fraction form
1,138,837.93/1,571,534.67 = 629,507.50/x - Step 3: Cross multiply
1,138,837.93x = 1,571,534.67 × 629,507.50 - Step 4: Simplify right side
1,138,837.93x = 989,292,861,275.03 - Step 5: Solve for x
x = 989,292,861,275.03/1,138,837.93 - Step 6: Final answer
x = 868,686.26
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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.