Finding the Fourth Proportional to 1,354,927.24, 1,869,664.82 and 782,151.94
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Solution
The fourth proportional to 1,354,927.24, 1,869,664.82 and 782,151.94 is: 1,079,291.88
Step by Step Solution
- Step 1: Write the proportion equation
1,354,927.24 : 1,869,664.82 = 782,151.94 : x - Step 2: Convert to fraction form
1,354,927.24/1,869,664.82 = 782,151.94/x - Step 3: Cross multiply
1,354,927.24x = 1,869,664.82 × 782,151.94 - Step 4: Simplify right side
1,354,927.24x = 1,462,361,966,112.75 - Step 5: Solve for x
x = 1,462,361,966,112.75/1,354,927.24 - Step 6: Final answer
x = 1,079,291.88
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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.