Finding the Fourth Proportional to 1,135,016.51, 1,565,436.54 and 727,155.99
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Solution
The fourth proportional to 1,135,016.51, 1,565,436.54 and 727,155.99 is: 1,002,907.49
Step by Step Solution
- Step 1: Write the proportion equation
1,135,016.51 : 1,565,436.54 = 727,155.99 : x - Step 2: Convert to fraction form
1,135,016.51/1,565,436.54 = 727,155.99/x - Step 3: Cross multiply
1,135,016.51x = 1,565,436.54 × 727,155.99 - Step 4: Simplify right side
1,135,016.51x = 1,138,316,559,752.71 - Step 5: Solve for x
x = 1,138,316,559,752.71/1,135,016.51 - Step 6: Final answer
x = 1,002,907.49
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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.