Finding the Fourth Proportional to 1,036,379.13, 1,554,354.24 and 278,040.82
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Solution
The fourth proportional to 1,036,379.13, 1,554,354.24 and 278,040.82 is: 417,003.70
Step by Step Solution
- Step 1: Write the proportion equation
1,036,379.13 : 1,554,354.24 = 278,040.82 : x - Step 2: Convert to fraction form
1,036,379.13/1,554,354.24 = 278,040.82/x - Step 3: Cross multiply
1,036,379.13x = 1,554,354.24 × 278,040.82 - Step 4: Simplify right side
1,036,379.13x = 432,173,927,460.08 - Step 5: Solve for x
x = 432,173,927,460.08/1,036,379.13 - Step 6: Final answer
x = 417,003.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.