Finding the Fourth Proportional to 1,134,910.42, 1,566,187.29 and 625,631.14
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Solution
The fourth proportional to 1,134,910.42, 1,566,187.29 and 625,631.14 is: 863,376.99
Step by Step Solution
- Step 1: Write the proportion equation
1,134,910.42 : 1,566,187.29 = 625,631.14 : x - Step 2: Convert to fraction form
1,134,910.42/1,566,187.29 = 625,631.14/x - Step 3: Cross multiply
1,134,910.42x = 1,566,187.29 × 625,631.14 - Step 4: Simplify right side
1,134,910.42x = 979,855,539,696.21 - Step 5: Solve for x
x = 979,855,539,696.21/1,134,910.42 - Step 6: Final answer
x = 863,376.99
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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.