Finding the Fourth Proportional to 1,135,432.98, 1,701,221.40 and 685,207.71
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Solution
The fourth proportional to 1,135,432.98, 1,701,221.40 and 685,207.71 is: 1,026,648.02
Step by Step Solution
- Step 1: Write the proportion equation
1,135,432.98 : 1,701,221.40 = 685,207.71 : x - Step 2: Convert to fraction form
1,135,432.98/1,701,221.40 = 685,207.71/x - Step 3: Cross multiply
1,135,432.98x = 1,701,221.40 × 685,207.71 - Step 4: Simplify right side
1,135,432.98x = 1,165,690,019,696.99 - Step 5: Solve for x
x = 1,165,690,019,696.99/1,135,432.98 - Step 6: Final answer
x = 1,026,648.02
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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.