Finding the Fourth Proportional to 1,326,598.20, 1,830,711.68 and 753,669.81
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Solution
The fourth proportional to 1,326,598.20, 1,830,711.68 and 753,669.81 is: 1,040,067.84
Step by Step Solution
- Step 1: Write the proportion equation
1,326,598.20 : 1,830,711.68 = 753,669.81 : x - Step 2: Convert to fraction form
1,326,598.20/1,830,711.68 = 753,669.81/x - Step 3: Cross multiply
1,326,598.20x = 1,830,711.68 × 753,669.81 - Step 4: Simplify right side
1,326,598.20x = 1,379,752,124,030.38 - Step 5: Solve for x
x = 1,379,752,124,030.38/1,326,598.20 - Step 6: Final answer
x = 1,040,067.84
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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.