Finding the Fourth Proportional to 1,154,370.24, 1,593,019.18 and 645,072.62
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Solution
The fourth proportional to 1,154,370.24, 1,593,019.18 and 645,072.62 is: 890,193.65
Step by Step Solution
- Step 1: Write the proportion equation
1,154,370.24 : 1,593,019.18 = 645,072.62 : x - Step 2: Convert to fraction form
1,154,370.24/1,593,019.18 = 645,072.62/x - Step 3: Cross multiply
1,154,370.24x = 1,593,019.18 × 645,072.62 - Step 4: Simplify right side
1,154,370.24x = 1,027,613,056,152.85 - Step 5: Solve for x
x = 1,027,613,056,152.85/1,154,370.24 - Step 6: Final answer
x = 890,193.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.