Finding the Fourth Proportional to 1,349,786.11, 1,862,704.68 and 737,938.71
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Solution
The fourth proportional to 1,349,786.11, 1,862,704.68 and 737,938.71 is: 1,018,355.33
Step by Step Solution
- Step 1: Write the proportion equation
1,349,786.11 : 1,862,704.68 = 737,938.71 : x - Step 2: Convert to fraction form
1,349,786.11/1,862,704.68 = 737,938.71/x - Step 3: Cross multiply
1,349,786.11x = 1,862,704.68 × 737,938.71 - Step 4: Simplify right side
1,349,786.11x = 1,374,561,879,356.64 - Step 5: Solve for x
x = 1,374,561,879,356.64/1,349,786.11 - Step 6: Final answer
x = 1,018,355.33
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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.