Finding the Fourth Proportional to 1,186,224.05, 1,778,968.06 and 427,966.94
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Solution
The fourth proportional to 1,186,224.05, 1,778,968.06 and 427,966.94 is: 641,817.64
Step by Step Solution
- Step 1: Write the proportion equation
1,186,224.05 : 1,778,968.06 = 427,966.94 : x - Step 2: Convert to fraction form
1,186,224.05/1,778,968.06 = 427,966.94/x - Step 3: Cross multiply
1,186,224.05x = 1,778,968.06 × 427,966.94 - Step 4: Simplify right side
1,186,224.05x = 761,339,520,373.44 - Step 5: Solve for x
x = 761,339,520,373.44/1,186,224.05 - Step 6: Final answer
x = 641,817.64
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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.