Finding the Fourth Proportional to 1,173,422.26, 1,619,045.17 and 664,124.63
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Solution
The fourth proportional to 1,173,422.26, 1,619,045.17 and 664,124.63 is: 916,334.90
Step by Step Solution
- Step 1: Write the proportion equation
1,173,422.26 : 1,619,045.17 = 664,124.63 : x - Step 2: Convert to fraction form
1,173,422.26/1,619,045.17 = 664,124.63/x - Step 3: Cross multiply
1,173,422.26x = 1,619,045.17 × 664,124.63 - Step 4: Simplify right side
1,173,422.26x = 1,075,247,774,479.54 - Step 5: Solve for x
x = 1,075,247,774,479.54/1,173,422.26 - Step 6: Final answer
x = 916,334.90
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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.