Finding the Fourth Proportional to 1,261,084.96, 1,740,335.58 and 717,298.96
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Solution
The fourth proportional to 1,261,084.96, 1,740,335.58 and 717,298.96 is: 989,894.37
Step by Step Solution
- Step 1: Write the proportion equation
1,261,084.96 : 1,740,335.58 = 717,298.96 : x - Step 2: Convert to fraction form
1,261,084.96/1,740,335.58 = 717,298.96/x - Step 3: Cross multiply
1,261,084.96x = 1,740,335.58 × 717,298.96 - Step 4: Simplify right side
1,261,084.96x = 1,248,340,901,585.00 - Step 5: Solve for x
x = 1,248,340,901,585.00/1,261,084.96 - Step 6: Final answer
x = 989,894.37
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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.