Finding the Fourth Proportional to 1,252,756.54, 1,728,808.62 and 679,796.70
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Solution
The fourth proportional to 1,252,756.54, 1,728,808.62 and 679,796.70 is: 938,121.94
Step by Step Solution
- Step 1: Write the proportion equation
1,252,756.54 : 1,728,808.62 = 679,796.70 : x - Step 2: Convert to fraction form
1,252,756.54/1,728,808.62 = 679,796.70/x - Step 3: Cross multiply
1,252,756.54x = 1,728,808.62 × 679,796.70 - Step 4: Simplify right side
1,252,756.54x = 1,175,238,394,807.55 - Step 5: Solve for x
x = 1,175,238,394,807.55/1,252,756.54 - Step 6: Final answer
x = 938,121.94
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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.