Finding the Fourth Proportional to 1,012,675.09, 1,397,488.12 and 559,966.09
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Solution
The fourth proportional to 1,012,675.09, 1,397,488.12 and 559,966.09 is: 772,751.27
Step by Step Solution
- Step 1: Write the proportion equation
1,012,675.09 : 1,397,488.12 = 559,966.09 : x - Step 2: Convert to fraction form
1,012,675.09/1,397,488.12 = 559,966.09/x - Step 3: Cross multiply
1,012,675.09x = 1,397,488.12 × 559,966.09 - Step 4: Simplify right side
1,012,675.09x = 782,545,958,377.85 - Step 5: Solve for x
x = 782,545,958,377.85/1,012,675.09 - Step 6: Final answer
x = 772,751.27
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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.