Finding the Fourth Proportional to 1,043,744.13, 1,440,232.45 and 613,867.41
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Solution
The fourth proportional to 1,043,744.13, 1,440,232.45 and 613,867.41 is: 847,057.95
Step by Step Solution
- Step 1: Write the proportion equation
1,043,744.13 : 1,440,232.45 = 613,867.41 : x - Step 2: Convert to fraction form
1,043,744.13/1,440,232.45 = 613,867.41/x - Step 3: Cross multiply
1,043,744.13x = 1,440,232.45 × 613,867.41 - Step 4: Simplify right side
1,043,744.13x = 884,111,762,344.79 - Step 5: Solve for x
x = 884,111,762,344.79/1,043,744.13 - Step 6: Final answer
x = 847,057.95
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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.