Finding the Fourth Proportional to 1,416,321.87, 2,125,110.75 and 742,242.87
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Solution
The fourth proportional to 1,416,321.87, 2,125,110.75 and 742,242.87 is: 1,113,693.39
Step by Step Solution
- Step 1: Write the proportion equation
1,416,321.87 : 2,125,110.75 = 742,242.87 : x - Step 2: Convert to fraction form
1,416,321.87/2,125,110.75 = 742,242.87/x - Step 3: Cross multiply
1,416,321.87x = 2,125,110.75 × 742,242.87 - Step 4: Simplify right side
1,416,321.87x = 1,577,348,302,147.85 - Step 5: Solve for x
x = 1,577,348,302,147.85/1,416,321.87 - Step 6: Final answer
x = 1,113,693.39
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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.