Finding the Fourth Proportional to 1,286,675.02, 1,929,451.81 and 433,587.68
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Solution
The fourth proportional to 1,286,675.02, 1,929,451.81 and 433,587.68 is: 650,192.57
Step by Step Solution
- Step 1: Write the proportion equation
1,286,675.02 : 1,929,451.81 = 433,587.68 : x - Step 2: Convert to fraction form
1,286,675.02/1,929,451.81 = 433,587.68/x - Step 3: Cross multiply
1,286,675.02x = 1,929,451.81 × 433,587.68 - Step 4: Simplify right side
1,286,675.02x = 836,586,533,969.70 - Step 5: Solve for x
x = 836,586,533,969.70/1,286,675.02 - Step 6: Final answer
x = 650,192.57
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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.