Finding the Fourth Proportional to 1,140,908.28, 1,574,390.99 and 624,562.30
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Solution
The fourth proportional to 1,140,908.28, 1,574,390.99 and 624,562.30 is: 861,861.80
Step by Step Solution
- Step 1: Write the proportion equation
1,140,908.28 : 1,574,390.99 = 624,562.30 : x - Step 2: Convert to fraction form
1,140,908.28/1,574,390.99 = 624,562.30/x - Step 3: Cross multiply
1,140,908.28x = 1,574,390.99 × 624,562.30 - Step 4: Simplify right side
1,140,908.28x = 983,305,256,252.27 - Step 5: Solve for x
x = 983,305,256,252.27/1,140,908.28 - Step 6: Final answer
x = 861,861.80
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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.