Finding the Fourth Proportional to 1,232,859.40, 1,848,122.70 and 727,808.20
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Solution
The fourth proportional to 1,232,859.40, 1,848,122.70 and 727,808.20 is: 1,091,023.73
Step by Step Solution
- Step 1: Write the proportion equation
1,232,859.40 : 1,848,122.70 = 727,808.20 : x - Step 2: Convert to fraction form
1,232,859.40/1,848,122.70 = 727,808.20/x - Step 3: Cross multiply
1,232,859.40x = 1,848,122.70 × 727,808.20 - Step 4: Simplify right side
1,232,859.40x = 1,345,078,855,666.14 - Step 5: Solve for x
x = 1,345,078,855,666.14/1,232,859.40 - Step 6: Final answer
x = 1,091,023.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.