Finding the Fourth Proportional to 1,177,415.26, 1,766,386.26 and 429,461.26
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Solution
The fourth proportional to 1,177,415.26, 1,766,386.26 and 429,461.26 is: 644,287.95
Step by Step Solution
- Step 1: Write the proportion equation
1,177,415.26 : 1,766,386.26 = 429,461.26 : x - Step 2: Convert to fraction form
1,177,415.26/1,766,386.26 = 429,461.26/x - Step 3: Cross multiply
1,177,415.26x = 1,766,386.26 × 429,461.26 - Step 4: Simplify right side
1,177,415.26x = 758,594,468,866.29 - Step 5: Solve for x
x = 758,594,468,866.29/1,177,415.26 - Step 6: Final answer
x = 644,287.95
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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.