Finding the Fourth Proportional to 1,256,671.80, 1,734,214.68 and 683,716.14
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Solution
The fourth proportional to 1,256,671.80, 1,734,214.68 and 683,716.14 is: 943,532.41
Step by Step Solution
- Step 1: Write the proportion equation
1,256,671.80 : 1,734,214.68 = 683,716.14 : x - Step 2: Convert to fraction form
1,256,671.80/1,734,214.68 = 683,716.14/x - Step 3: Cross multiply
1,256,671.80x = 1,734,214.68 × 683,716.14 - Step 4: Simplify right side
1,256,671.80x = 1,185,710,566,940.94 - Step 5: Solve for x
x = 1,185,710,566,940.94/1,256,671.80 - Step 6: Final answer
x = 943,532.41
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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.