Finding the Fourth Proportional to 1,354,929.73, 1,869,668.28 and 782,154.43
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Solution
The fourth proportional to 1,354,929.73, 1,869,668.28 and 782,154.43 is: 1,079,295.33
Step by Step Solution
- Step 1: Write the proportion equation
1,354,929.73 : 1,869,668.28 = 782,154.43 : x - Step 2: Convert to fraction form
1,354,929.73/1,869,668.28 = 782,154.43/x - Step 3: Cross multiply
1,354,929.73x = 1,869,668.28 × 782,154.43 - Step 4: Simplify right side
1,354,929.73x = 1,462,369,327,832.48 - Step 5: Solve for x
x = 1,462,369,327,832.48/1,354,929.73 - Step 6: Final answer
x = 1,079,295.33
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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.