Finding the Fourth Proportional to 1,213,889.18, 1,675,167.21 and 670,025.12
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Solution
The fourth proportional to 1,213,889.18, 1,675,167.21 and 670,025.12 is: 924,634.74
Step by Step Solution
- Step 1: Write the proportion equation
1,213,889.18 : 1,675,167.21 = 670,025.12 : x - Step 2: Convert to fraction form
1,213,889.18/1,675,167.21 = 670,025.12/x - Step 3: Cross multiply
1,213,889.18x = 1,675,167.21 × 670,025.12 - Step 4: Simplify right side
1,213,889.18x = 1,122,404,110,900.32 - Step 5: Solve for x
x = 1,122,404,110,900.32/1,213,889.18 - Step 6: Final answer
x = 924,634.74
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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.