Finding the Fourth Proportional to 1,423,565.28, 1,964,653.74 and 850,593.24
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Solution
The fourth proportional to 1,423,565.28, 1,964,653.74 and 850,593.24 is: 1,173,898.53
Step by Step Solution
- Step 1: Write the proportion equation
1,423,565.28 : 1,964,653.74 = 850,593.24 : x - Step 2: Convert to fraction form
1,423,565.28/1,964,653.74 = 850,593.24/x - Step 3: Cross multiply
1,423,565.28x = 1,964,653.74 × 850,593.24 - Step 4: Simplify right side
1,423,565.28x = 1,671,121,190,184.72 - Step 5: Solve for x
x = 1,671,121,190,184.72/1,423,565.28 - Step 6: Final answer
x = 1,173,898.53
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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.