Finding the Fourth Proportional to 1,420,525.74, 1,960,250.55 and 775,936.62
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Solution
The fourth proportional to 1,420,525.74, 1,960,250.55 and 775,936.62 is: 1,070,751.58
Step by Step Solution
- Step 1: Write the proportion equation
1,420,525.74 : 1,960,250.55 = 775,936.62 : x - Step 2: Convert to fraction form
1,420,525.74/1,960,250.55 = 775,936.62/x - Step 3: Cross multiply
1,420,525.74x = 1,960,250.55 × 775,936.62 - Step 4: Simplify right side
1,420,525.74x = 1,521,030,186,120.14 - Step 5: Solve for x
x = 1,521,030,186,120.14/1,420,525.74 - Step 6: Final answer
x = 1,070,751.58
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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.