Finding the Fourth Proportional to 1,331,392.80, 1,997,348.40 and 573,232.80
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Solution
The fourth proportional to 1,331,392.80, 1,997,348.40 and 573,232.80 is: 859,960.80
Step by Step Solution
- Step 1: Write the proportion equation
1,331,392.80 : 1,997,348.40 = 573,232.80 : x - Step 2: Convert to fraction form
1,331,392.80/1,997,348.40 = 573,232.80/x - Step 3: Cross multiply
1,331,392.80x = 1,997,348.40 × 573,232.80 - Step 4: Simplify right side
1,331,392.80x = 1,144,945,615,907.52 - Step 5: Solve for x
x = 1,144,945,615,907.52/1,331,392.80 - Step 6: Final answer
x = 859,960.80
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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.