Finding the Fourth Proportional to 1,114,475.97, 1,538,139.32 and 624,478.62
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Solution
The fourth proportional to 1,114,475.97, 1,538,139.32 and 624,478.62 is: 861,871.54
Step by Step Solution
- Step 1: Write the proportion equation
1,114,475.97 : 1,538,139.32 = 624,478.62 : x - Step 2: Convert to fraction form
1,114,475.97/1,538,139.32 = 624,478.62/x - Step 3: Cross multiply
1,114,475.97x = 1,538,139.32 × 624,478.62 - Step 4: Simplify right side
1,114,475.97x = 960,535,116,798.95 - Step 5: Solve for x
x = 960,535,116,798.95/1,114,475.97 - Step 6: Final answer
x = 861,871.54
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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.