Finding the Fourth Proportional to 1,261,273.24, 1,740,595.53 and 717,487.84
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Solution
The fourth proportional to 1,261,273.24, 1,740,595.53 and 717,487.84 is: 990,155.10
Step by Step Solution
- Step 1: Write the proportion equation
1,261,273.24 : 1,740,595.53 = 717,487.84 : x - Step 2: Convert to fraction form
1,261,273.24/1,740,595.53 = 717,487.84/x - Step 3: Cross multiply
1,261,273.24x = 1,740,595.53 × 717,487.84 - Step 4: Simplify right side
1,261,273.24x = 1,248,856,127,133.36 - Step 5: Solve for x
x = 1,248,856,127,133.36/1,261,273.24 - Step 6: Final answer
x = 990,155.10
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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.