Finding the Fourth Proportional to 1,018,470.24, 1,405,438.56 and 588,709.44
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Solution
The fourth proportional to 1,018,470.24, 1,405,438.56 and 588,709.44 is: 812,389.91
Step by Step Solution
- Step 1: Write the proportion equation
1,018,470.24 : 1,405,438.56 = 588,709.44 : x - Step 2: Convert to fraction form
1,018,470.24/1,405,438.56 = 588,709.44/x - Step 3: Cross multiply
1,018,470.24x = 1,405,438.56 × 588,709.44 - Step 4: Simplify right side
1,018,470.24x = 827,394,947,612.01 - Step 5: Solve for x
x = 827,394,947,612.01/1,018,470.24 - Step 6: Final answer
x = 812,389.91
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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.