Finding the Fourth Proportional to 1,214,215.44, 1,675,619.80 and 670,352.28
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Solution
The fourth proportional to 1,214,215.44, 1,675,619.80 and 670,352.28 is: 925,087.52
Step by Step Solution
- Step 1: Write the proportion equation
1,214,215.44 : 1,675,619.80 = 670,352.28 : x - Step 2: Convert to fraction form
1,214,215.44/1,675,619.80 = 670,352.28/x - Step 3: Cross multiply
1,214,215.44x = 1,675,619.80 × 670,352.28 - Step 4: Simplify right side
1,214,215.44x = 1,123,255,554,809.05 - Step 5: Solve for x
x = 1,123,255,554,809.05/1,214,215.44 - Step 6: Final answer
x = 925,087.52
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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.