Finding the Fourth Proportional to 1,178,059.41, 1,625,626.26 and 661,785.26
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Solution
The fourth proportional to 1,178,059.41, 1,625,626.26 and 661,785.26 is: 913,209.88
Step by Step Solution
- Step 1: Write the proportion equation
1,178,059.41 : 1,625,626.26 = 661,785.26 : x - Step 2: Convert to fraction form
1,178,059.41/1,625,626.26 = 661,785.26/x - Step 3: Cross multiply
1,178,059.41x = 1,625,626.26 × 661,785.26 - Step 4: Simplify right side
1,178,059.41x = 1,075,815,489,008.80 - Step 5: Solve for x
x = 1,075,815,489,008.80/1,178,059.41 - Step 6: Final answer
x = 913,209.88
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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.