Finding the Fourth Proportional to 1,241,961.41, 1,713,655.25 and 725,615.49
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Solution
The fourth proportional to 1,241,961.41, 1,713,655.25 and 725,615.49 is: 1,001,202.45
Step by Step Solution
- Step 1: Write the proportion equation
1,241,961.41 : 1,713,655.25 = 725,615.49 : x - Step 2: Convert to fraction form
1,241,961.41/1,713,655.25 = 725,615.49/x - Step 3: Cross multiply
1,241,961.41x = 1,713,655.25 × 725,615.49 - Step 4: Simplify right side
1,241,961.41x = 1,243,454,803,520.60 - Step 5: Solve for x
x = 1,243,454,803,520.60/1,241,961.41 - Step 6: Final answer
x = 1,001,202.45
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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.