Finding the Fourth Proportional to 1,115,740.73, 1,539,689.87 and 632,350.55
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Solution
The fourth proportional to 1,115,740.73, 1,539,689.87 and 632,350.55 is: 872,625.43
Step by Step Solution
- Step 1: Write the proportion equation
1,115,740.73 : 1,539,689.87 = 632,350.55 : x - Step 2: Convert to fraction form
1,115,740.73/1,539,689.87 = 632,350.55/x - Step 3: Cross multiply
1,115,740.73x = 1,539,689.87 × 632,350.55 - Step 4: Simplify right side
1,115,740.73x = 973,623,741,554.03 - Step 5: Solve for x
x = 973,623,741,554.03/1,115,740.73 - Step 6: Final answer
x = 872,625.43
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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.