Finding the Fourth Proportional to 1,121,495.84, 1,682,243.52 and 619,250.24
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Solution
The fourth proportional to 1,121,495.84, 1,682,243.52 and 619,250.24 is: 928,875.23
Step by Step Solution
- Step 1: Write the proportion equation
1,121,495.84 : 1,682,243.52 = 619,250.24 : x - Step 2: Convert to fraction form
1,121,495.84/1,682,243.52 = 619,250.24/x - Step 3: Cross multiply
1,121,495.84x = 1,682,243.52 × 619,250.24 - Step 4: Simplify right side
1,121,495.84x = 1,041,729,703,498.44 - Step 5: Solve for x
x = 1,041,729,703,498.44/1,121,495.84 - Step 6: Final answer
x = 928,875.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.