Finding the Fourth Proportional to 1,172,428.80, 1,758,297.60 and 462,220.80
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Solution
The fourth proportional to 1,172,428.80, 1,758,297.60 and 462,220.80 is: 693,194.95
Step by Step Solution
- Step 1: Write the proportion equation
1,172,428.80 : 1,758,297.60 = 462,220.80 : x - Step 2: Convert to fraction form
1,172,428.80/1,758,297.60 = 462,220.80/x - Step 3: Cross multiply
1,172,428.80x = 1,758,297.60 × 462,220.80 - Step 4: Simplify right side
1,172,428.80x = 812,721,723,310.08 - Step 5: Solve for x
x = 812,721,723,310.08/1,172,428.80 - Step 6: Final answer
x = 693,194.95
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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.