Finding the Fourth Proportional to 1,214,519.24, 1,676,025.64 and 670,643.30
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Solution
The fourth proportional to 1,214,519.24, 1,676,025.64 and 670,643.30 is: 925,481.73
Step by Step Solution
- Step 1: Write the proportion equation
1,214,519.24 : 1,676,025.64 = 670,643.30 : x - Step 2: Convert to fraction form
1,214,519.24/1,676,025.64 = 670,643.30/x - Step 3: Cross multiply
1,214,519.24x = 1,676,025.64 × 670,643.30 - Step 4: Simplify right side
1,214,519.24x = 1,124,015,366,094.21 - Step 5: Solve for x
x = 1,124,015,366,094.21/1,214,519.24 - Step 6: Final answer
x = 925,481.73
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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.