Finding the Fourth Proportional to 1,098,804.45, 1,516,277.97 and 615,258.75
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Solution
The fourth proportional to 1,098,804.45, 1,516,277.97 and 615,258.75 is: 849,016.66
Step by Step Solution
- Step 1: Write the proportion equation
1,098,804.45 : 1,516,277.97 = 615,258.75 : x - Step 2: Convert to fraction form
1,098,804.45/1,516,277.97 = 615,258.75/x - Step 3: Cross multiply
1,098,804.45x = 1,516,277.97 × 615,258.75 - Step 4: Simplify right side
1,098,804.45x = 932,903,288,474.74 - Step 5: Solve for x
x = 932,903,288,474.74/1,098,804.45 - Step 6: Final answer
x = 849,016.66
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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.