Finding the Fourth Proportional to 1,124,416.70, 1,551,731.76 and 615,119.08
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Solution
The fourth proportional to 1,124,416.70, 1,551,731.76 and 615,119.08 is: 848,884.42
Step by Step Solution
- Step 1: Write the proportion equation
1,124,416.70 : 1,551,731.76 = 615,119.08 : x - Step 2: Convert to fraction form
1,124,416.70/1,551,731.76 = 615,119.08/x - Step 3: Cross multiply
1,124,416.70x = 1,551,731.76 × 615,119.08 - Step 4: Simplify right side
1,124,416.70x = 954,499,812,617.98 - Step 5: Solve for x
x = 954,499,812,617.98/1,124,416.70 - Step 6: Final answer
x = 848,884.42
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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.