Finding the Fourth Proportional to 1,259,458.97, 1,738,070.65 and 686,497.91
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Solution
The fourth proportional to 1,259,458.97, 1,738,070.65 and 686,497.91 is: 947,376.53
Step by Step Solution
- Step 1: Write the proportion equation
1,259,458.97 : 1,738,070.65 = 686,497.91 : x - Step 2: Convert to fraction form
1,259,458.97/1,738,070.65 = 686,497.91/x - Step 3: Cross multiply
1,259,458.97x = 1,738,070.65 × 686,497.91 - Step 4: Simplify right side
1,259,458.97x = 1,193,181,873,860.64 - Step 5: Solve for x
x = 1,193,181,873,860.64/1,259,458.97 - Step 6: Final answer
x = 947,376.53
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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.