Finding the Fourth Proportional to 1,207,172.40, 1,808,134.20 and 733,030.80
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Solution
The fourth proportional to 1,207,172.40, 1,808,134.20 and 733,030.80 is: 1,097,952.59
Step by Step Solution
- Step 1: Write the proportion equation
1,207,172.40 : 1,808,134.20 = 733,030.80 : x - Step 2: Convert to fraction form
1,207,172.40/1,808,134.20 = 733,030.80/x - Step 3: Cross multiply
1,207,172.40x = 1,808,134.20 × 733,030.80 - Step 4: Simplify right side
1,207,172.40x = 1,325,418,059,133.36 - Step 5: Solve for x
x = 1,325,418,059,133.36/1,207,172.40 - Step 6: Final answer
x = 1,097,952.59
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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.