Finding the Fourth Proportional to 1,287,343.26, 1,776,479.85 and 714,349.26
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Solution
The fourth proportional to 1,287,343.26, 1,776,479.85 and 714,349.26 is: 985,772.10
Step by Step Solution
- Step 1: Write the proportion equation
1,287,343.26 : 1,776,479.85 = 714,349.26 : x - Step 2: Convert to fraction form
1,287,343.26/1,776,479.85 = 714,349.26/x - Step 3: Cross multiply
1,287,343.26x = 1,776,479.85 × 714,349.26 - Step 4: Simplify right side
1,287,343.26x = 1,269,027,066,252.41 - Step 5: Solve for x
x = 1,269,027,066,252.41/1,287,343.26 - Step 6: Final answer
x = 985,772.10
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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.