Finding the Fourth Proportional to 1,124,474.12, 1,551,772.70 and 615,176.52
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Solution
The fourth proportional to 1,124,474.12, 1,551,772.70 and 615,176.52 is: 848,942.73
Step by Step Solution
- Step 1: Write the proportion equation
1,124,474.12 : 1,551,772.70 = 615,176.52 : x - Step 2: Convert to fraction form
1,124,474.12/1,551,772.70 = 615,176.52/x - Step 3: Cross multiply
1,124,474.12x = 1,551,772.70 × 615,176.52 - Step 4: Simplify right side
1,124,474.12x = 954,614,129,417.00 - Step 5: Solve for x
x = 954,614,129,417.00/1,124,474.12 - Step 6: Final answer
x = 848,942.73
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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.