Finding the Fourth Proportional to 1,120,923.36, 1,546,908.21 and 637,558.02
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Solution
The fourth proportional to 1,120,923.36, 1,546,908.21 and 637,558.02 is: 879,849.39
Step by Step Solution
- Step 1: Write the proportion equation
1,120,923.36 : 1,546,908.21 = 637,558.02 : x - Step 2: Convert to fraction form
1,120,923.36/1,546,908.21 = 637,558.02/x - Step 3: Cross multiply
1,120,923.36x = 1,546,908.21 × 637,558.02 - Step 4: Simplify right side
1,120,923.36x = 986,243,735,489.34 - Step 5: Solve for x
x = 986,243,735,489.34/1,120,923.36 - Step 6: Final answer
x = 879,849.39
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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.