Finding the Fourth Proportional to 1,162,151.14, 1,603,307.40 and 672,030.09
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Solution
The fourth proportional to 1,162,151.14, 1,603,307.40 and 672,030.09 is: 927,134.84
Step by Step Solution
- Step 1: Write the proportion equation
1,162,151.14 : 1,603,307.40 = 672,030.09 : x - Step 2: Convert to fraction form
1,162,151.14/1,603,307.40 = 672,030.09/x - Step 3: Cross multiply
1,162,151.14x = 1,603,307.40 × 672,030.09 - Step 4: Simplify right side
1,162,151.14x = 1,077,470,816,319.67 - Step 5: Solve for x
x = 1,077,470,816,319.67/1,162,151.14 - Step 6: Final answer
x = 927,134.84
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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.