Finding the Fourth Proportional to 1,132,542.81, 1,562,909.40 and 623,245.19
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Solution
The fourth proportional to 1,132,542.81, 1,562,909.40 and 623,245.19 is: 860,078.53
Step by Step Solution
- Step 1: Write the proportion equation
1,132,542.81 : 1,562,909.40 = 623,245.19 : x - Step 2: Convert to fraction form
1,132,542.81/1,562,909.40 = 623,245.19/x - Step 3: Cross multiply
1,132,542.81x = 1,562,909.40 × 623,245.19 - Step 4: Simplify right side
1,132,542.81x = 974,075,758,141.24 - Step 5: Solve for x
x = 974,075,758,141.24/1,132,542.81 - Step 6: Final answer
x = 860,078.53
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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.