Finding the Fourth Proportional to 1,107,315.70, 1,660,973.55 and 930,168.70
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Solution
The fourth proportional to 1,107,315.70, 1,660,973.55 and 930,168.70 is: 1,395,253.05
Step by Step Solution
- Step 1: Write the proportion equation
1,107,315.70 : 1,660,973.55 = 930,168.70 : x - Step 2: Convert to fraction form
1,107,315.70/1,660,973.55 = 930,168.70/x - Step 3: Cross multiply
1,107,315.70x = 1,660,973.55 × 930,168.70 - Step 4: Simplify right side
1,107,315.70x = 1,544,985,607,737.89 - Step 5: Solve for x
x = 1,544,985,607,737.89/1,107,315.70 - Step 6: Final answer
x = 1,395,253.05
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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.