Finding the Fourth Proportional to 1,134,439.44, 1,565,602.32 and 625,141.92
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Solution
The fourth proportional to 1,134,439.44, 1,565,602.32 and 625,141.92 is: 862,737.67
Step by Step Solution
- Step 1: Write the proportion equation
1,134,439.44 : 1,565,602.32 = 625,141.92 : x - Step 2: Convert to fraction form
1,134,439.44/1,565,602.32 = 625,141.92/x - Step 3: Cross multiply
1,134,439.44x = 1,565,602.32 × 625,141.92 - Step 4: Simplify right side
1,134,439.44x = 978,723,640,281.26 - Step 5: Solve for x
x = 978,723,640,281.26/1,134,439.44 - Step 6: Final answer
x = 862,737.67
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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.