Finding the Fourth Proportional to 1,168,211.53, 1,612,152.91 and 685,125.10
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Solution
The fourth proportional to 1,168,211.53, 1,612,152.91 and 685,125.10 is: 945,484.95
Step by Step Solution
- Step 1: Write the proportion equation
1,168,211.53 : 1,612,152.91 = 685,125.10 : x - Step 2: Convert to fraction form
1,168,211.53/1,612,152.91 = 685,125.10/x - Step 3: Cross multiply
1,168,211.53x = 1,612,152.91 × 685,125.10 - Step 4: Simplify right side
1,168,211.53x = 1,104,526,423,981.42 - Step 5: Solve for x
x = 1,104,526,423,981.42/1,168,211.53 - Step 6: Final answer
x = 945,484.95
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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.