Finding the Fourth Proportional to 1,214,807.70, 1,676,450.70 and 670,941.84
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Solution
The fourth proportional to 1,214,807.70, 1,676,450.70 and 670,941.84 is: 925,908.62
Step by Step Solution
- Step 1: Write the proportion equation
1,214,807.70 : 1,676,450.70 = 670,941.84 : x - Step 2: Convert to fraction form
1,214,807.70/1,676,450.70 = 670,941.84/x - Step 3: Cross multiply
1,214,807.70x = 1,676,450.70 × 670,941.84 - Step 4: Simplify right side
1,214,807.70x = 1,124,800,917,327.29 - Step 5: Solve for x
x = 1,124,800,917,327.29/1,214,807.70 - Step 6: Final answer
x = 925,908.62
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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.