Finding the Fourth Proportional to 1,354,927.03, 1,869,664.58 and 782,151.73
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Solution
The fourth proportional to 1,354,927.03, 1,869,664.58 and 782,151.73 is: 1,079,291.62
Step by Step Solution
- Step 1: Write the proportion equation
1,354,927.03 : 1,869,664.58 = 782,151.73 : x - Step 2: Convert to fraction form
1,354,927.03/1,869,664.58 = 782,151.73/x - Step 3: Cross multiply
1,354,927.03x = 1,869,664.58 × 782,151.73 - Step 4: Simplify right side
1,354,927.03x = 1,462,361,380,114.87 - Step 5: Solve for x
x = 1,462,361,380,114.87/1,354,927.03 - Step 6: Final answer
x = 1,079,291.62
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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.