Finding the Fourth Proportional to 1,287,159.24, 1,930,750.44 and 327,615.86
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Solution
The fourth proportional to 1,287,159.24, 1,930,750.44 and 327,615.86 is: 491,426.74
Step by Step Solution
- Step 1: Write the proportion equation
1,287,159.24 : 1,930,750.44 = 327,615.86 : x - Step 2: Convert to fraction form
1,287,159.24/1,930,750.44 = 327,615.86/x - Step 3: Cross multiply
1,287,159.24x = 1,930,750.44 × 327,615.86 - Step 4: Simplify right side
1,287,159.24x = 632,544,465,845.98 - Step 5: Solve for x
x = 632,544,465,845.98/1,287,159.24 - Step 6: Final answer
x = 491,426.74
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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.