Finding the Fourth Proportional to 942,461.20, 1,403,031.65 and 936,856.09
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Solution
The fourth proportional to 942,461.20, 1,403,031.65 and 936,856.09 is: 1,394,687.38
Step by Step Solution
- Step 1: Write the proportion equation
942,461.20 : 1,403,031.65 = 936,856.09 : x - Step 2: Convert to fraction form
942,461.20/1,403,031.65 = 936,856.09/x - Step 3: Cross multiply
942,461.20x = 1,403,031.65 × 936,856.09 - Step 4: Simplify right side
942,461.20x = 1,314,438,745,765.25 - Step 5: Solve for x
x = 1,314,438,745,765.25/942,461.20 - Step 6: Final answer
x = 1,394,687.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.