Finding the Fourth Proportional to 1,015,963.29, 1,402,045.47 and 557,119.62
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Solution
The fourth proportional to 1,015,963.29, 1,402,045.47 and 557,119.62 is: 768,833.92
Step by Step Solution
- Step 1: Write the proportion equation
1,015,963.29 : 1,402,045.47 = 557,119.62 : x - Step 2: Convert to fraction form
1,015,963.29/1,402,045.47 = 557,119.62/x - Step 3: Cross multiply
1,015,963.29x = 1,402,045.47 × 557,119.62 - Step 4: Simplify right side
1,015,963.29x = 781,107,039,469.12 - Step 5: Solve for x
x = 781,107,039,469.12/1,015,963.29 - Step 6: Final answer
x = 768,833.92
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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.