Finding the Fourth Proportional to 1,132,559.37, 1,562,580.08 and 642,448.11
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Solution
The fourth proportional to 1,132,559.37, 1,562,580.08 and 642,448.11 is: 886,378.80
Step by Step Solution
- Step 1: Write the proportion equation
1,132,559.37 : 1,562,580.08 = 642,448.11 : x - Step 2: Convert to fraction form
1,132,559.37/1,562,580.08 = 642,448.11/x - Step 3: Cross multiply
1,132,559.37x = 1,562,580.08 × 642,448.11 - Step 4: Simplify right side
1,132,559.37x = 1,003,876,615,907.41 - Step 5: Solve for x
x = 1,003,876,615,907.41/1,132,559.37 - Step 6: Final answer
x = 886,378.80
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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.