Finding the Fourth Proportional to 1,124,355.18, 1,551,609.63 and 615,057.42
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Solution
The fourth proportional to 1,124,355.18, 1,551,609.63 and 615,057.42 is: 848,778.96
Step by Step Solution
- Step 1: Write the proportion equation
1,124,355.18 : 1,551,609.63 = 615,057.42 : x - Step 2: Convert to fraction form
1,124,355.18/1,551,609.63 = 615,057.42/x - Step 3: Cross multiply
1,124,355.18x = 1,551,609.63 × 615,057.42 - Step 4: Simplify right side
1,124,355.18x = 954,329,015,874.96 - Step 5: Solve for x
x = 954,329,015,874.96/1,124,355.18 - Step 6: Final answer
x = 848,778.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.