Finding the Fourth Proportional to 1,285,036.80, 1,773,351.10 and 704,282.99
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Solution
The fourth proportional to 1,285,036.80, 1,773,351.10 and 704,282.99 is: 971,910.70
Step by Step Solution
- Step 1: Write the proportion equation
1,285,036.80 : 1,773,351.10 = 704,282.99 : x - Step 2: Convert to fraction form
1,285,036.80/1,773,351.10 = 704,282.99/x - Step 3: Cross multiply
1,285,036.80x = 1,773,351.10 × 704,282.99 - Step 4: Simplify right side
1,285,036.80x = 1,248,941,016,998.62 - Step 5: Solve for x
x = 1,248,941,016,998.62/1,285,036.80 - Step 6: Final answer
x = 971,910.70
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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.