Finding the Fourth Proportional to 1,145,244.78, 1,717,485.68 and 461,955.15
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Solution
The fourth proportional to 1,145,244.78, 1,717,485.68 and 461,955.15 is: 692,778.84
Step by Step Solution
- Step 1: Write the proportion equation
1,145,244.78 : 1,717,485.68 = 461,955.15 : x - Step 2: Convert to fraction form
1,145,244.78/1,717,485.68 = 461,955.15/x - Step 3: Cross multiply
1,145,244.78x = 1,717,485.68 × 461,955.15 - Step 4: Simplify right side
1,145,244.78x = 793,401,354,927.25 - Step 5: Solve for x
x = 793,401,354,927.25/1,145,244.78 - Step 6: Final answer
x = 692,778.84
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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.