Finding the Fourth Proportional to 1,354,926.24, 1,869,663.44 and 782,150.94
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Solution
The fourth proportional to 1,354,926.24, 1,869,663.44 and 782,150.94 is: 1,079,290.50
Step by Step Solution
- Step 1: Write the proportion equation
1,354,926.24 : 1,869,663.44 = 782,150.94 : x - Step 2: Convert to fraction form
1,354,926.24/1,869,663.44 = 782,150.94/x - Step 3: Cross multiply
1,354,926.24x = 1,869,663.44 × 782,150.94 - Step 4: Simplify right side
1,354,926.24x = 1,462,359,017,079.63 - Step 5: Solve for x
x = 1,462,359,017,079.63/1,354,926.24 - Step 6: Final answer
x = 1,079,290.50
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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.