Finding the Fourth Proportional to 1,361,174.24, 1,878,405.12 and 749,313.92
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Solution
The fourth proportional to 1,361,174.24, 1,878,405.12 and 749,313.92 is: 1,034,044.77
Step by Step Solution
- Step 1: Write the proportion equation
1,361,174.24 : 1,878,405.12 = 749,313.92 : x - Step 2: Convert to fraction form
1,361,174.24/1,878,405.12 = 749,313.92/x - Step 3: Cross multiply
1,361,174.24x = 1,878,405.12 × 749,313.92 - Step 4: Simplify right side
1,361,174.24x = 1,407,515,103,815.27 - Step 5: Solve for x
x = 1,407,515,103,815.27/1,361,174.24 - Step 6: Final answer
x = 1,034,044.77
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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.