Finding the Fourth Proportional to 1,367,938.70, 1,887,762.78 and 747,744.68
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Solution
The fourth proportional to 1,367,938.70, 1,887,762.78 and 747,744.68 is: 1,031,891.69
Step by Step Solution
- Step 1: Write the proportion equation
1,367,938.70 : 1,887,762.78 = 747,744.68 : x - Step 2: Convert to fraction form
1,367,938.70/1,887,762.78 = 747,744.68/x - Step 3: Cross multiply
1,367,938.70x = 1,887,762.78 × 747,744.68 - Step 4: Simplify right side
1,367,938.70x = 1,411,564,575,847.01 - Step 5: Solve for x
x = 1,411,564,575,847.01/1,367,938.70 - Step 6: Final answer
x = 1,031,891.69
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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.