Finding the Fourth Proportional to 1,109,960.62, 1,664,266.70 and 435,233.58
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Solution
The fourth proportional to 1,109,960.62, 1,664,266.70 and 435,233.58 is: 652,585.99
Step by Step Solution
- Step 1: Write the proportion equation
1,109,960.62 : 1,664,266.70 = 435,233.58 : x - Step 2: Convert to fraction form
1,109,960.62/1,664,266.70 = 435,233.58/x - Step 3: Cross multiply
1,109,960.62x = 1,664,266.70 × 435,233.58 - Step 4: Simplify right side
1,109,960.62x = 724,344,753,915.79 - Step 5: Solve for x
x = 724,344,753,915.79/1,109,960.62 - Step 6: Final answer
x = 652,585.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.