Finding the Fourth Proportional to 1,124,448.68, 1,551,775.73 and 615,151.06
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Solution
The fourth proportional to 1,124,448.68, 1,551,775.73 and 615,151.06 is: 848,928.45
Step by Step Solution
- Step 1: Write the proportion equation
1,124,448.68 : 1,551,775.73 = 615,151.06 : x - Step 2: Convert to fraction form
1,124,448.68/1,551,775.73 = 615,151.06/x - Step 3: Cross multiply
1,124,448.68x = 1,551,775.73 × 615,151.06 - Step 4: Simplify right side
1,124,448.68x = 954,576,478,236.58 - Step 5: Solve for x
x = 954,576,478,236.58/1,124,448.68 - Step 6: Final answer
x = 848,928.45
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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.