Finding the Fourth Proportional to 1,146,027.80, 1,719,387.30 and 613,803.80
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Solution
The fourth proportional to 1,146,027.80, 1,719,387.30 and 613,803.80 is: 920,890.80
Step by Step Solution
- Step 1: Write the proportion equation
1,146,027.80 : 1,719,387.30 = 613,803.80 : x - Step 2: Convert to fraction form
1,146,027.80/1,719,387.30 = 613,803.80/x - Step 3: Cross multiply
1,146,027.80x = 1,719,387.30 × 613,803.80 - Step 4: Simplify right side
1,146,027.80x = 1,055,366,458,411.74 - Step 5: Solve for x
x = 1,055,366,458,411.74/1,146,027.80 - Step 6: Final answer
x = 920,890.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.