Finding the Fourth Proportional to 1,354,938.66, 1,869,680.60 and 782,163.36
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Solution
The fourth proportional to 1,354,938.66, 1,869,680.60 and 782,163.36 is: 1,079,307.65
Step by Step Solution
- Step 1: Write the proportion equation
1,354,938.66 : 1,869,680.60 = 782,163.36 : x - Step 2: Convert to fraction form
1,354,938.66/1,869,680.60 = 782,163.36/x - Step 3: Cross multiply
1,354,938.66x = 1,869,680.60 × 782,163.36 - Step 4: Simplify right side
1,354,938.66x = 1,462,395,660,222.82 - Step 5: Solve for x
x = 1,462,395,660,222.82/1,354,938.66 - Step 6: Final answer
x = 1,079,307.65
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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.