Finding the Fourth Proportional to 1,219,736.40, 1,829,896.20 and 588,130.80
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Solution
The fourth proportional to 1,219,736.40, 1,829,896.20 and 588,130.80 is: 882,336.80
Step by Step Solution
- Step 1: Write the proportion equation
1,219,736.40 : 1,829,896.20 = 588,130.80 : x - Step 2: Convert to fraction form
1,219,736.40/1,829,896.20 = 588,130.80/x - Step 3: Cross multiply
1,219,736.40x = 1,829,896.20 × 588,130.80 - Step 4: Simplify right side
1,219,736.40x = 1,076,218,316,022.96 - Step 5: Solve for x
x = 1,076,218,316,022.96/1,219,736.40 - Step 6: Final answer
x = 882,336.80
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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.