Finding the Fourth Proportional to 1,246,276.40, 1,869,729.71 and 347,717.66
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Solution
The fourth proportional to 1,246,276.40, 1,869,729.71 and 347,717.66 is: 521,664.40
Step by Step Solution
- Step 1: Write the proportion equation
1,246,276.40 : 1,869,729.71 = 347,717.66 : x - Step 2: Convert to fraction form
1,246,276.40/1,869,729.71 = 347,717.66/x - Step 3: Cross multiply
1,246,276.40x = 1,869,729.71 × 347,717.66 - Step 4: Simplify right side
1,246,276.40x = 650,138,028,506.44 - Step 5: Solve for x
x = 650,138,028,506.44/1,246,276.40 - Step 6: Final answer
x = 521,664.40
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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.