Finding the Fourth Proportional to 1,228,747.74, 1,842,845.13 and 440,779.74
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Solution
The fourth proportional to 1,228,747.74, 1,842,845.13 and 440,779.74 is: 661,070.43
Step by Step Solution
- Step 1: Write the proportion equation
1,228,747.74 : 1,842,845.13 = 440,779.74 : x - Step 2: Convert to fraction form
1,228,747.74/1,842,845.13 = 440,779.74/x - Step 3: Cross multiply
1,228,747.74x = 1,842,845.13 × 440,779.74 - Step 4: Simplify right side
1,228,747.74x = 812,288,797,261.67 - Step 5: Solve for x
x = 812,288,797,261.67/1,228,747.74 - Step 6: Final answer
x = 661,070.43
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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.