Finding the Fourth Proportional to 1,246,080.97, 1,869,121.45 and 393,239.06
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Solution
The fourth proportional to 1,246,080.97, 1,869,121.45 and 393,239.06 is: 589,858.59
Step by Step Solution
- Step 1: Write the proportion equation
1,246,080.97 : 1,869,121.45 = 393,239.06 : x - Step 2: Convert to fraction form
1,246,080.97/1,869,121.45 = 393,239.06/x - Step 3: Cross multiply
1,246,080.97x = 1,869,121.45 × 393,239.06 - Step 4: Simplify right side
1,246,080.97x = 735,011,562,023.84 - Step 5: Solve for x
x = 735,011,562,023.84/1,246,080.97 - Step 6: Final answer
x = 589,858.59
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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.