Finding the Fourth Proportional to 1,214,215.91, 1,675,620.44 and 670,352.75
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Solution
The fourth proportional to 1,214,215.91, 1,675,620.44 and 670,352.75 is: 925,088.17
Step by Step Solution
- Step 1: Write the proportion equation
1,214,215.91 : 1,675,620.44 = 670,352.75 : x - Step 2: Convert to fraction form
1,214,215.91/1,675,620.44 = 670,352.75/x - Step 3: Cross multiply
1,214,215.91x = 1,675,620.44 × 670,352.75 - Step 4: Simplify right side
1,214,215.91x = 1,123,256,775,775.14 - Step 5: Solve for x
x = 1,123,256,775,775.14/1,214,215.91 - Step 6: Final answer
x = 925,088.17
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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.