Finding the Fourth Proportional to 1,036,699.01, 1,554,943.35 and 278,441.95
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Solution
The fourth proportional to 1,036,699.01, 1,554,943.35 and 278,441.95 is: 417,634.68
Step by Step Solution
- Step 1: Write the proportion equation
1,036,699.01 : 1,554,943.35 = 278,441.95 : x - Step 2: Convert to fraction form
1,036,699.01/1,554,943.35 = 278,441.95/x - Step 3: Cross multiply
1,036,699.01x = 1,554,943.35 × 278,441.95 - Step 4: Simplify right side
1,036,699.01x = 432,961,458,513.53 - Step 5: Solve for x
x = 432,961,458,513.53/1,036,699.01 - Step 6: Final answer
x = 417,634.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.