Finding the Fourth Proportional to 1,397,392.95, 2,094,594.49 and 722,795.07
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Solution
The fourth proportional to 1,397,392.95, 2,094,594.49 and 722,795.07 is: 1,083,419.36
Step by Step Solution
- Step 1: Write the proportion equation
1,397,392.95 : 2,094,594.49 = 722,795.07 : x - Step 2: Convert to fraction form
1,397,392.95/2,094,594.49 = 722,795.07/x - Step 3: Cross multiply
1,397,392.95x = 2,094,594.49 × 722,795.07 - Step 4: Simplify right side
1,397,392.95x = 1,513,962,571,021.16 - Step 5: Solve for x
x = 1,513,962,571,021.16/1,397,392.95 - Step 6: Final answer
x = 1,083,419.36
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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.