Finding the Fourth Proportional to 1,288,651.68, 1,930,794.48 and 788,971.68
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Solution
The fourth proportional to 1,288,651.68, 1,930,794.48 and 788,971.68 is: 1,182,120.96
Step by Step Solution
- Step 1: Write the proportion equation
1,288,651.68 : 1,930,794.48 = 788,971.68 : x - Step 2: Convert to fraction form
1,288,651.68/1,930,794.48 = 788,971.68/x - Step 3: Cross multiply
1,288,651.68x = 1,930,794.48 × 788,971.68 - Step 4: Simplify right side
1,288,651.68x = 1,523,342,164,620.33 - Step 5: Solve for x
x = 1,523,342,164,620.33/1,288,651.68 - Step 6: Final answer
x = 1,182,120.96
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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.