Finding the Fourth Proportional to 1,229,905.26, 1,845,125.19 and 376,980.12
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Solution
The fourth proportional to 1,229,905.26, 1,845,125.19 and 376,980.12 is: 565,552.11
Step by Step Solution
- Step 1: Write the proportion equation
1,229,905.26 : 1,845,125.19 = 376,980.12 : x - Step 2: Convert to fraction form
1,229,905.26/1,845,125.19 = 376,980.12/x - Step 3: Cross multiply
1,229,905.26x = 1,845,125.19 × 376,980.12 - Step 4: Simplify right side
1,229,905.26x = 695,575,515,541.22 - Step 5: Solve for x
x = 695,575,515,541.22/1,229,905.26 - Step 6: Final answer
x = 565,552.11
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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.