Finding the Fourth Proportional to 1,342,399.76, 1,852,187.62 and 791,138.14
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Solution
The fourth proportional to 1,342,399.76, 1,852,187.62 and 791,138.14 is: 1,091,579.65
Step by Step Solution
- Step 1: Write the proportion equation
1,342,399.76 : 1,852,187.62 = 791,138.14 : x - Step 2: Convert to fraction form
1,342,399.76/1,852,187.62 = 791,138.14/x - Step 3: Cross multiply
1,342,399.76x = 1,852,187.62 × 791,138.14 - Step 4: Simplify right side
1,342,399.76x = 1,465,336,263,492.90 - Step 5: Solve for x
x = 1,465,336,263,492.90/1,342,399.76 - Step 6: Final answer
x = 1,091,579.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.