Finding the Fourth Proportional to 1,259,687.99, 1,738,317.71 and 708,387.95
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Solution
The fourth proportional to 1,259,687.99, 1,738,317.71 and 708,387.95 is: 977,546.29
Step by Step Solution
- Step 1: Write the proportion equation
1,259,687.99 : 1,738,317.71 = 708,387.95 : x - Step 2: Convert to fraction form
1,259,687.99/1,738,317.71 = 708,387.95/x - Step 3: Cross multiply
1,259,687.99x = 1,738,317.71 × 708,387.95 - Step 4: Simplify right side
1,259,687.99x = 1,231,403,325,152.36 - Step 5: Solve for x
x = 1,231,403,325,152.36/1,259,687.99 - Step 6: Final answer
x = 977,546.29
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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.