Finding the Fourth Proportional to 1,257,594.12, 1,735,425.36 and 684,636.24
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Solution
The fourth proportional to 1,257,594.12, 1,735,425.36 and 684,636.24 is: 944,768.33
Step by Step Solution
- Step 1: Write the proportion equation
1,257,594.12 : 1,735,425.36 = 684,636.24 : x - Step 2: Convert to fraction form
1,257,594.12/1,735,425.36 = 684,636.24/x - Step 3: Cross multiply
1,257,594.12x = 1,735,425.36 × 684,636.24 - Step 4: Simplify right side
1,257,594.12x = 1,188,135,093,271.05 - Step 5: Solve for x
x = 1,188,135,093,271.05/1,257,594.12 - Step 6: Final answer
x = 944,768.33
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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.