Finding the Fourth Proportional to 1,257,463.41, 1,735,299.70 and 684,507.88
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Solution
The fourth proportional to 1,257,463.41, 1,735,299.70 and 684,507.88 is: 944,620.99
Step by Step Solution
- Step 1: Write the proportion equation
1,257,463.41 : 1,735,299.70 = 684,507.88 : x - Step 2: Convert to fraction form
1,257,463.41/1,735,299.70 = 684,507.88/x - Step 3: Cross multiply
1,257,463.41x = 1,735,299.70 × 684,507.88 - Step 4: Simplify right side
1,257,463.41x = 1,187,826,323,119.85 - Step 5: Solve for x
x = 1,187,826,323,119.85/1,257,463.41 - Step 6: Final answer
x = 944,620.99
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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.