Finding the Fourth Proportional to 1,416,708.18, 2,125,690.38 and 742,628.58
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Solution
The fourth proportional to 1,416,708.18, 2,125,690.38 and 742,628.58 is: 1,114,272.12
Step by Step Solution
- Step 1: Write the proportion equation
1,416,708.18 : 2,125,690.38 = 742,628.58 : x - Step 2: Convert to fraction form
1,416,708.18/2,125,690.38 = 742,628.58/x - Step 3: Cross multiply
1,416,708.18x = 2,125,690.38 × 742,628.58 - Step 4: Simplify right side
1,416,708.18x = 1,578,598,428,419.06 - Step 5: Solve for x
x = 1,578,598,428,419.06/1,416,708.18 - Step 6: Final answer
x = 1,114,272.12
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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.