Finding the Fourth Proportional to 1,208,277.14, 1,667,528.70 and 664,508.76
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Solution
The fourth proportional to 1,208,277.14, 1,667,528.70 and 664,508.76 is: 917,080.52
Step by Step Solution
- Step 1: Write the proportion equation
1,208,277.14 : 1,667,528.70 = 664,508.76 : x - Step 2: Convert to fraction form
1,208,277.14/1,667,528.70 = 664,508.76/x - Step 3: Cross multiply
1,208,277.14x = 1,667,528.70 × 664,508.76 - Step 4: Simplify right side
1,208,277.14x = 1,108,087,428,701.41 - Step 5: Solve for x
x = 1,108,087,428,701.41/1,208,277.14 - Step 6: Final answer
x = 917,080.52
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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.