Finding the Fourth Proportional to 1,208,246.67, 1,667,386.41 and 664,417.53
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Solution
The fourth proportional to 1,208,246.67, 1,667,386.41 and 664,417.53 is: 916,899.49
Step by Step Solution
- Step 1: Write the proportion equation
1,208,246.67 : 1,667,386.41 = 664,417.53 : x - Step 2: Convert to fraction form
1,208,246.67/1,667,386.41 = 664,417.53/x - Step 3: Cross multiply
1,208,246.67x = 1,667,386.41 × 664,417.53 - Step 4: Simplify right side
1,208,246.67x = 1,107,840,757,596.20 - Step 5: Solve for x
x = 1,107,840,757,596.20/1,208,246.67 - Step 6: Final answer
x = 916,899.49
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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.