Finding the Fourth Proportional to 1,196,421.88, 1,794,971.98 and 486,959.08
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Solution
The fourth proportional to 1,196,421.88, 1,794,971.98 and 486,959.08 is: 730,576.66
Step by Step Solution
- Step 1: Write the proportion equation
1,196,421.88 : 1,794,971.98 = 486,959.08 : x - Step 2: Convert to fraction form
1,196,421.88/1,794,971.98 = 486,959.08/x - Step 3: Cross multiply
1,196,421.88x = 1,794,971.98 × 486,959.08 - Step 4: Simplify right side
1,196,421.88x = 874,077,904,006.58 - Step 5: Solve for x
x = 874,077,904,006.58/1,196,421.88 - Step 6: Final answer
x = 730,576.66
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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.