Finding the Fourth Proportional to 1,416,454.72, 2,125,309.20 and 742,375.36
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Solution
The fourth proportional to 1,416,454.72, 2,125,309.20 and 742,375.36 is: 1,113,891.72
Step by Step Solution
- Step 1: Write the proportion equation
1,416,454.72 : 2,125,309.20 = 742,375.36 : x - Step 2: Convert to fraction form
1,416,454.72/2,125,309.20 = 742,375.36/x - Step 3: Cross multiply
1,416,454.72x = 2,125,309.20 × 742,375.36 - Step 4: Simplify right side
1,416,454.72x = 1,577,777,182,461.31 - Step 5: Solve for x
x = 1,577,777,182,461.31/1,416,454.72 - Step 6: Final answer
x = 1,113,891.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.