Finding the Fourth Proportional to 1,134,176.62, 1,565,162.88 and 624,879
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Solution
The fourth proportional to 1,134,176.62, 1,565,162.88 and 624,879 is: 862,332.55
Step by Step Solution
- Step 1: Write the proportion equation
1,134,176.62 : 1,565,162.88 = 624,879 : x - Step 2: Convert to fraction form
1,134,176.62/1,565,162.88 = 624,879/x - Step 3: Cross multiply
1,134,176.62x = 1,565,162.88 × 624,879 - Step 4: Simplify right side
1,134,176.62x = 978,037,415,291.52 - Step 5: Solve for x
x = 978,037,415,291.52/1,134,176.62 - Step 6: Final answer
x = 862,332.55
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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.