Finding the Fourth Proportional to 1,077,927.20, 1,617,121.20 and 330,048.80
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Solution
The fourth proportional to 1,077,927.20, 1,617,121.20 and 330,048.80 is: 495,143.75
Step by Step Solution
- Step 1: Write the proportion equation
1,077,927.20 : 1,617,121.20 = 330,048.80 : x - Step 2: Convert to fraction form
1,077,927.20/1,617,121.20 = 330,048.80/x - Step 3: Cross multiply
1,077,927.20x = 1,617,121.20 × 330,048.80 - Step 4: Simplify right side
1,077,927.20x = 533,728,911,514.56 - Step 5: Solve for x
x = 533,728,911,514.56/1,077,927.20 - Step 6: Final answer
x = 495,143.75
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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.