Finding the Fourth Proportional to 1,283,361.49, 1,926,934.68 and 715,851.40
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Solution
The fourth proportional to 1,283,361.49, 1,926,934.68 and 715,851.40 is: 1,074,832.69
Step by Step Solution
- Step 1: Write the proportion equation
1,283,361.49 : 1,926,934.68 = 715,851.40 : x - Step 2: Convert to fraction form
1,283,361.49/1,926,934.68 = 715,851.40/x - Step 3: Cross multiply
1,283,361.49x = 1,926,934.68 × 715,851.40 - Step 4: Simplify right side
1,283,361.49x = 1,379,398,888,386.55 - Step 5: Solve for x
x = 1,379,398,888,386.55/1,283,361.49 - Step 6: Final answer
x = 1,074,832.69
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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.