Finding the Fourth Proportional to 1,257,103.11, 1,734,769.02 and 684,130.98
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Solution
The fourth proportional to 1,257,103.11, 1,734,769.02 and 684,130.98 is: 944,082.65
Step by Step Solution
- Step 1: Write the proportion equation
1,257,103.11 : 1,734,769.02 = 684,130.98 : x - Step 2: Convert to fraction form
1,257,103.11/1,734,769.02 = 684,130.98/x - Step 3: Cross multiply
1,257,103.11x = 1,734,769.02 × 684,130.98 - Step 4: Simplify right side
1,257,103.11x = 1,186,809,229,726.24 - Step 5: Solve for x
x = 1,186,809,229,726.24/1,257,103.11 - Step 6: Final answer
x = 944,082.65
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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.