Finding the Fourth Proportional to 1,154,908.37, 1,593,783.79 and 638,697.26
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Solution
The fourth proportional to 1,154,908.37, 1,593,783.79 and 638,697.26 is: 881,407.88
Step by Step Solution
- Step 1: Write the proportion equation
1,154,908.37 : 1,593,783.79 = 638,697.26 : x - Step 2: Convert to fraction form
1,154,908.37/1,593,783.79 = 638,697.26/x - Step 3: Cross multiply
1,154,908.37x = 1,593,783.79 × 638,697.26 - Step 4: Simplify right side
1,154,908.37x = 1,017,945,330,139.75 - Step 5: Solve for x
x = 1,017,945,330,139.75/1,154,908.37 - Step 6: Final answer
x = 881,407.88
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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.