Finding the Fourth Proportional to 1,265,830.10, 1,746,893.58 and 722,054.42
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Solution
The fourth proportional to 1,265,830.10, 1,746,893.58 and 722,054.42 is: 996,462.50
Step by Step Solution
- Step 1: Write the proportion equation
1,265,830.10 : 1,746,893.58 = 722,054.42 : x - Step 2: Convert to fraction form
1,265,830.10/1,746,893.58 = 722,054.42/x - Step 3: Cross multiply
1,265,830.10x = 1,746,893.58 × 722,054.42 - Step 4: Simplify right side
1,265,830.10x = 1,261,352,230,708.62 - Step 5: Solve for x
x = 1,261,352,230,708.62/1,265,830.10 - Step 6: Final answer
x = 996,462.50
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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.