Finding the Fourth Proportional to 1,219,325.07, 1,678,829.63 and 1,035,199.45
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Solution
The fourth proportional to 1,219,325.07, 1,678,829.63 and 1,035,199.45 is: 1,425,315.99
Step by Step Solution
- Step 1: Write the proportion equation
1,219,325.07 : 1,678,829.63 = 1,035,199.45 : x - Step 2: Convert to fraction form
1,219,325.07/1,678,829.63 = 1,035,199.45/x - Step 3: Cross multiply
1,219,325.07x = 1,678,829.63 × 1,035,199.45 - Step 4: Simplify right side
1,219,325.07x = 1,737,923,517,698.78 - Step 5: Solve for x
x = 1,737,923,517,698.78/1,219,325.07 - Step 6: Final answer
x = 1,425,315.99
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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.