Finding the Fourth Proportional to 1,214,138.71, 1,675,467.41 and 670,262.79
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Solution
The fourth proportional to 1,214,138.71, 1,675,467.41 and 670,262.79 is: 924,938.35
Step by Step Solution
- Step 1: Write the proportion equation
1,214,138.71 : 1,675,467.41 = 670,262.79 : x - Step 2: Convert to fraction form
1,214,138.71/1,675,467.41 = 670,262.79/x - Step 3: Cross multiply
1,214,138.71x = 1,675,467.41 × 670,262.79 - Step 4: Simplify right side
1,214,138.71x = 1,123,003,460,780.67 - Step 5: Solve for x
x = 1,123,003,460,780.67/1,214,138.71 - Step 6: Final answer
x = 924,938.35
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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.