Finding the Fourth Proportional to 1,356,209.19, 1,871,571.02 and 744,365.97
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Solution
The fourth proportional to 1,356,209.19, 1,871,571.02 and 744,365.97 is: 1,027,226.32
Step by Step Solution
- Step 1: Write the proportion equation
1,356,209.19 : 1,871,571.02 = 744,365.97 : x - Step 2: Convert to fraction form
1,356,209.19/1,871,571.02 = 744,365.97/x - Step 3: Cross multiply
1,356,209.19x = 1,871,571.02 × 744,365.97 - Step 4: Simplify right side
1,356,209.19x = 1,393,133,774,004.36 - Step 5: Solve for x
x = 1,393,133,774,004.36/1,356,209.19 - Step 6: Final answer
x = 1,027,226.32
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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.