Finding the Fourth Proportional to 1,135,432.88, 1,701,221.36 and 685,207.68
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Solution
The fourth proportional to 1,135,432.88, 1,701,221.36 and 685,207.68 is: 1,026,648.04
Step by Step Solution
- Step 1: Write the proportion equation
1,135,432.88 : 1,701,221.36 = 685,207.68 : x - Step 2: Convert to fraction form
1,135,432.88/1,701,221.36 = 685,207.68/x - Step 3: Cross multiply
1,135,432.88x = 1,701,221.36 × 685,207.68 - Step 4: Simplify right side
1,135,432.88x = 1,165,689,941,252.05 - Step 5: Solve for x
x = 1,165,689,941,252.05/1,135,432.88 - Step 6: Final answer
x = 1,026,648.04
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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.