Finding the Fourth Proportional to 1,208,403.27, 1,667,639.33 and 664,581.12
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Solution
The fourth proportional to 1,208,403.27, 1,667,639.33 and 664,581.12 is: 917,145.49
Step by Step Solution
- Step 1: Write the proportion equation
1,208,403.27 : 1,667,639.33 = 664,581.12 : x - Step 2: Convert to fraction form
1,208,403.27/1,667,639.33 = 664,581.12/x - Step 3: Cross multiply
1,208,403.27x = 1,667,639.33 × 664,581.12 - Step 4: Simplify right side
1,208,403.27x = 1,108,281,606,603.08 - Step 5: Solve for x
x = 1,108,281,606,603.08/1,208,403.27 - Step 6: Final answer
x = 917,145.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.