Finding the Fourth Proportional to 1,124,515.80, 1,551,849.30 and 615,226.68
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Solution
The fourth proportional to 1,124,515.80, 1,551,849.30 and 615,226.68 is: 849,022.39
Step by Step Solution
- Step 1: Write the proportion equation
1,124,515.80 : 1,551,849.30 = 615,226.68 : x - Step 2: Convert to fraction form
1,124,515.80/1,551,849.30 = 615,226.68/x - Step 3: Cross multiply
1,124,515.80x = 1,551,849.30 × 615,226.68 - Step 4: Simplify right side
1,124,515.80x = 954,739,092,699.32 - Step 5: Solve for x
x = 954,739,092,699.32/1,124,515.80 - Step 6: Final answer
x = 849,022.39
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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.