Finding the Fourth Proportional to 1,338,633.75, 1,847,314.58 and 735,021.75
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Solution
The fourth proportional to 1,338,633.75, 1,847,314.58 and 735,021.75 is: 1,014,330.02
Step by Step Solution
- Step 1: Write the proportion equation
1,338,633.75 : 1,847,314.58 = 735,021.75 : x - Step 2: Convert to fraction form
1,338,633.75/1,847,314.58 = 735,021.75/x - Step 3: Cross multiply
1,338,633.75x = 1,847,314.58 × 735,021.75 - Step 4: Simplify right side
1,338,633.75x = 1,357,816,391,717.01 - Step 5: Solve for x
x = 1,357,816,391,717.01/1,338,633.75 - Step 6: Final answer
x = 1,014,330.02
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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.