Finding the Fourth Proportional to 1,124,426.70, 1,551,721.08 and 615,118.14
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Solution
The fourth proportional to 1,124,426.70, 1,551,721.08 and 615,118.14 is: 848,869.73
Step by Step Solution
- Step 1: Write the proportion equation
1,124,426.70 : 1,551,721.08 = 615,118.14 : x - Step 2: Convert to fraction form
1,124,426.70/1,551,721.08 = 615,118.14/x - Step 3: Cross multiply
1,124,426.70x = 1,551,721.08 × 615,118.14 - Step 4: Simplify right side
1,124,426.70x = 954,491,784,528.39 - Step 5: Solve for x
x = 954,491,784,528.39/1,124,426.70 - Step 6: Final answer
x = 848,869.73
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1.5x scale
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.