Finding the Fourth Proportional to 1,278,689.93, 1,764,588.48 and 705,726
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Solution
The fourth proportional to 1,278,689.93, 1,764,588.48 and 705,726 is: 973,899.88
Step by Step Solution
- Step 1: Write the proportion equation
1,278,689.93 : 1,764,588.48 = 705,726 : x - Step 2: Convert to fraction form
1,278,689.93/1,764,588.48 = 705,726/x - Step 3: Cross multiply
1,278,689.93x = 1,764,588.48 × 705,726 - Step 4: Simplify right side
1,278,689.93x = 1,245,315,966,990.01 - Step 5: Solve for x
x = 1,245,315,966,990.01/1,278,689.93 - Step 6: Final answer
x = 973,899.88
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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.