Finding the Fourth Proportional to 1,201,186.28, 1,657,637.15 and 657,322.10
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Solution
The fourth proportional to 1,201,186.28, 1,657,637.15 and 657,322.10 is: 907,104.54
Step by Step Solution
- Step 1: Write the proportion equation
1,201,186.28 : 1,657,637.15 = 657,322.10 : x - Step 2: Convert to fraction form
1,201,186.28/1,657,637.15 = 657,322.10/x - Step 3: Cross multiply
1,201,186.28x = 1,657,637.15 × 657,322.10 - Step 4: Simplify right side
1,201,186.28x = 1,089,601,525,831.13 - Step 5: Solve for x
x = 1,089,601,525,831.13/1,201,186.28 - Step 6: Final answer
x = 907,104.54
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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.