Finding the Fourth Proportional to 1,077,072.69, 1,615,885.86 and 403,163.64
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Solution
The fourth proportional to 1,077,072.69, 1,615,885.86 and 403,163.64 is: 604,849.08
Step by Step Solution
- Step 1: Write the proportion equation
1,077,072.69 : 1,615,885.86 = 403,163.64 : x - Step 2: Convert to fraction form
1,077,072.69/1,615,885.86 = 403,163.64/x - Step 3: Cross multiply
1,077,072.69x = 1,615,885.86 × 403,163.64 - Step 4: Simplify right side
1,077,072.69x = 651,466,425,142.13 - Step 5: Solve for x
x = 651,466,425,142.13/1,077,072.69 - Step 6: Final answer
x = 604,849.08
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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.