Finding the Fourth Proportional to 1,244,771.76, 1,717,819 and 761,328.08
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Solution
The fourth proportional to 1,244,771.76, 1,717,819 and 761,328.08 is: 1,050,653.53
Step by Step Solution
- Step 1: Write the proportion equation
1,244,771.76 : 1,717,819 = 761,328.08 : x - Step 2: Convert to fraction form
1,244,771.76/1,717,819 = 761,328.08/x - Step 3: Cross multiply
1,244,771.76x = 1,717,819 × 761,328.08 - Step 4: Simplify right side
1,244,771.76x = 1,307,823,841,057.52 - Step 5: Solve for x
x = 1,307,823,841,057.52/1,244,771.76 - Step 6: Final answer
x = 1,050,653.53
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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.