Finding the Fourth Proportional to 1,053,460.23, 1,454,757.51 and 775,380.09
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Solution
The fourth proportional to 1,053,460.23, 1,454,757.51 and 775,380.09 is: 1,070,747.60
Step by Step Solution
- Step 1: Write the proportion equation
1,053,460.23 : 1,454,757.51 = 775,380.09 : x - Step 2: Convert to fraction form
1,053,460.23/1,454,757.51 = 775,380.09/x - Step 3: Cross multiply
1,053,460.23x = 1,454,757.51 × 775,380.09 - Step 4: Simplify right side
1,053,460.23x = 1,127,990,009,031.98 - Step 5: Solve for x
x = 1,127,990,009,031.98/1,053,460.23 - Step 6: Final answer
x = 1,070,747.60
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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.