Finding the Fourth Proportional to 1,257,859.68, 1,735,823.88 and 684,889.44
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Solution
The fourth proportional to 1,257,859.68, 1,735,823.88 and 684,889.44 is: 945,135.19
Step by Step Solution
- Step 1: Write the proportion equation
1,257,859.68 : 1,735,823.88 = 684,889.44 : x - Step 2: Convert to fraction form
1,257,859.68/1,735,823.88 = 684,889.44/x - Step 3: Cross multiply
1,257,859.68x = 1,735,823.88 × 684,889.44 - Step 4: Simplify right side
1,257,859.68x = 1,188,847,445,111.83 - Step 5: Solve for x
x = 1,188,847,445,111.83/1,257,859.68 - Step 6: Final answer
x = 945,135.19
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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.