Finding the Fourth Proportional to 1,134,643.44, 1,565,804.70 and 625,345.68
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Solution
The fourth proportional to 1,134,643.44, 1,565,804.70 and 625,345.68 is: 862,975.25
Step by Step Solution
- Step 1: Write the proportion equation
1,134,643.44 : 1,565,804.70 = 625,345.68 : x - Step 2: Convert to fraction form
1,134,643.44/1,565,804.70 = 625,345.68/x - Step 3: Cross multiply
1,134,643.44x = 1,565,804.70 × 625,345.68 - Step 4: Simplify right side
1,134,643.44x = 979,169,204,868.70 - Step 5: Solve for x
x = 979,169,204,868.70/1,134,643.44 - Step 6: Final answer
x = 862,975.25
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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.