Finding the Fourth Proportional to 1,441,772.19, 1,989,565.29 and 797,153.67
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Solution
The fourth proportional to 1,441,772.19, 1,989,565.29 and 797,153.67 is: 1,100,027.65
Step by Step Solution
- Step 1: Write the proportion equation
1,441,772.19 : 1,989,565.29 = 797,153.67 : x - Step 2: Convert to fraction form
1,441,772.19/1,989,565.29 = 797,153.67/x - Step 3: Cross multiply
1,441,772.19x = 1,989,565.29 × 797,153.67 - Step 4: Simplify right side
1,441,772.19x = 1,585,989,272,628.11 - Step 5: Solve for x
x = 1,585,989,272,628.11/1,441,772.19 - Step 6: Final answer
x = 1,100,027.65
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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.