Finding the Fourth Proportional to 1,292,534.04, 1,939,088.88 and 394,045.62
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Solution
The fourth proportional to 1,292,534.04, 1,939,088.88 and 394,045.62 is: 591,156.18
Step by Step Solution
- Step 1: Write the proportion equation
1,292,534.04 : 1,939,088.88 = 394,045.62 : x - Step 2: Convert to fraction form
1,292,534.04/1,939,088.88 = 394,045.62/x - Step 3: Cross multiply
1,292,534.04x = 1,939,088.88 × 394,045.62 - Step 4: Simplify right side
1,292,534.04x = 764,089,479,954.71 - Step 5: Solve for x
x = 764,089,479,954.71/1,292,534.04 - Step 6: Final answer
x = 591,156.18
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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.