Finding the Fourth Proportional to 1,214,206.76, 1,676,172.30 and 704,811.08
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Solution
The fourth proportional to 1,214,206.76, 1,676,172.30 and 704,811.08 is: 972,968.40
Step by Step Solution
- Step 1: Write the proportion equation
1,214,206.76 : 1,676,172.30 = 704,811.08 : x - Step 2: Convert to fraction form
1,214,206.76/1,676,172.30 = 704,811.08/x - Step 3: Cross multiply
1,214,206.76x = 1,676,172.30 × 704,811.08 - Step 4: Simplify right side
1,214,206.76x = 1,181,384,809,029.08 - Step 5: Solve for x
x = 1,181,384,809,029.08/1,214,206.76 - Step 6: Final answer
x = 972,968.40
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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.