Finding the Fourth Proportional to 1,084,440.60, 1,495,197.74 and 879,912.36
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Solution
The fourth proportional to 1,084,440.60, 1,495,197.74 and 879,912.36 is: 1,213,199.66
Step by Step Solution
- Step 1: Write the proportion equation
1,084,440.60 : 1,495,197.74 = 879,912.36 : x - Step 2: Convert to fraction form
1,084,440.60/1,495,197.74 = 879,912.36/x - Step 3: Cross multiply
1,084,440.60x = 1,495,197.74 × 879,912.36 - Step 4: Simplify right side
1,084,440.60x = 1,315,642,972,070.07 - Step 5: Solve for x
x = 1,315,642,972,070.07/1,084,440.60 - Step 6: Final answer
x = 1,213,199.66
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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.