Finding the Fourth Proportional to 1,016,137.26, 1,402,331.70 and 563,428.26
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Solution
The fourth proportional to 1,016,137.26, 1,402,331.70 and 563,428.26 is: 777,565.53
Step by Step Solution
- Step 1: Write the proportion equation
1,016,137.26 : 1,402,331.70 = 563,428.26 : x - Step 2: Convert to fraction form
1,016,137.26/1,402,331.70 = 563,428.26/x - Step 3: Cross multiply
1,016,137.26x = 1,402,331.70 × 563,428.26 - Step 4: Simplify right side
1,016,137.26x = 790,113,309,673.84 - Step 5: Solve for x
x = 790,113,309,673.84/1,016,137.26 - Step 6: Final answer
x = 777,565.53
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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.