Finding the Fourth Proportional to 1,192,070.68, 1,645,048.56 and 648,206.80
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Solution
The fourth proportional to 1,192,070.68, 1,645,048.56 and 648,206.80 is: 894,520.50
Step by Step Solution
- Step 1: Write the proportion equation
1,192,070.68 : 1,645,048.56 = 648,206.80 : x - Step 2: Convert to fraction form
1,192,070.68/1,645,048.56 = 648,206.80/x - Step 3: Cross multiply
1,192,070.68x = 1,645,048.56 × 648,206.80 - Step 4: Simplify right side
1,192,070.68x = 1,066,331,662,922.21 - Step 5: Solve for x
x = 1,066,331,662,922.21/1,192,070.68 - Step 6: Final answer
x = 894,520.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.