Finding the Fourth Proportional to 1,285,271.90, 1,926,525.45 and 486,244.70
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Solution
The fourth proportional to 1,285,271.90, 1,926,525.45 and 486,244.70 is: 728,844.06
Step by Step Solution
- Step 1: Write the proportion equation
1,285,271.90 : 1,926,525.45 = 486,244.70 : x - Step 2: Convert to fraction form
1,285,271.90/1,926,525.45 = 486,244.70/x - Step 3: Cross multiply
1,285,271.90x = 1,926,525.45 × 486,244.70 - Step 4: Simplify right side
1,285,271.90x = 936,762,789,477.62 - Step 5: Solve for x
x = 936,762,789,477.62/1,285,271.90 - Step 6: Final answer
x = 728,844.06
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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.