Finding the Fourth Proportional to 1,300,232.76, 1,794,163.98 and 749,128.74
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Solution
The fourth proportional to 1,300,232.76, 1,794,163.98 and 749,128.74 is: 1,033,707.07
Step by Step Solution
- Step 1: Write the proportion equation
1,300,232.76 : 1,794,163.98 = 749,128.74 : x - Step 2: Convert to fraction form
1,300,232.76/1,794,163.98 = 749,128.74/x - Step 3: Cross multiply
1,300,232.76x = 1,794,163.98 × 749,128.74 - Step 4: Simplify right side
1,300,232.76x = 1,344,059,801,690.79 - Step 5: Solve for x
x = 1,344,059,801,690.79/1,300,232.76 - Step 6: Final answer
x = 1,033,707.07
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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.