Finding the Fourth Proportional to 1,278,206.91, 1,764,564.75 and 794,927.79
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Solution
The fourth proportional to 1,278,206.91, 1,764,564.75 and 794,927.79 is: 1,097,397.88
Step by Step Solution
- Step 1: Write the proportion equation
1,278,206.91 : 1,764,564.75 = 794,927.79 : x - Step 2: Convert to fraction form
1,278,206.91/1,764,564.75 = 794,927.79/x - Step 3: Cross multiply
1,278,206.91x = 1,764,564.75 × 794,927.79 - Step 4: Simplify right side
1,278,206.91x = 1,402,701,557,029.40 - Step 5: Solve for x
x = 1,402,701,557,029.40/1,278,206.91 - Step 6: Final answer
x = 1,097,397.88
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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.