Finding the Fourth Proportional to 1,354,924.24, 1,869,660.68 and 782,148.94
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Solution
The fourth proportional to 1,354,924.24, 1,869,660.68 and 782,148.94 is: 1,079,287.74
Step by Step Solution
- Step 1: Write the proportion equation
1,354,924.24 : 1,869,660.68 = 782,148.94 : x - Step 2: Convert to fraction form
1,354,924.24/1,869,660.68 = 782,148.94/x - Step 3: Cross multiply
1,354,924.24x = 1,869,660.68 × 782,148.94 - Step 4: Simplify right side
1,354,924.24x = 1,462,353,119,021.68 - Step 5: Solve for x
x = 1,462,353,119,021.68/1,354,924.24 - Step 6: Final answer
x = 1,079,287.74
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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.