Finding the Fourth Proportional to 1,246,081.47, 1,869,122.20 and 393,239.56
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Solution
The fourth proportional to 1,246,081.47, 1,869,122.20 and 393,239.56 is: 589,859.34
Step by Step Solution
- Step 1: Write the proportion equation
1,246,081.47 : 1,869,122.20 = 393,239.56 : x - Step 2: Convert to fraction form
1,246,081.47/1,869,122.20 = 393,239.56/x - Step 3: Cross multiply
1,246,081.47x = 1,869,122.20 × 393,239.56 - Step 4: Simplify right side
1,246,081.47x = 735,012,791,514.23 - Step 5: Solve for x
x = 735,012,791,514.23/1,246,081.47 - Step 6: Final answer
x = 589,859.34
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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.