Finding the Fourth Proportional to 1,229,343.86, 1,842,963.97 and 471,728.99
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Solution
The fourth proportional to 1,229,343.86, 1,842,963.97 and 471,728.99 is: 707,189.87
Step by Step Solution
- Step 1: Write the proportion equation
1,229,343.86 : 1,842,963.97 = 471,728.99 : x - Step 2: Convert to fraction form
1,229,343.86/1,842,963.97 = 471,728.99/x - Step 3: Cross multiply
1,229,343.86x = 1,842,963.97 × 471,728.99 - Step 4: Simplify right side
1,229,343.86x = 869,379,521,780.35 - Step 5: Solve for x
x = 869,379,521,780.35/1,229,343.86 - Step 6: Final answer
x = 707,189.87
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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.