Finding the Fourth Proportional to 1,051,518.74, 1,577,129.88 and 341,555.36
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Solution
The fourth proportional to 1,051,518.74, 1,577,129.88 and 341,555.36 is: 512,284.89
Step by Step Solution
- Step 1: Write the proportion equation
1,051,518.74 : 1,577,129.88 = 341,555.36 : x - Step 2: Convert to fraction form
1,051,518.74/1,577,129.88 = 341,555.36/x - Step 3: Cross multiply
1,051,518.74x = 1,577,129.88 × 341,555.36 - Step 4: Simplify right side
1,051,518.74x = 538,677,163,930.16 - Step 5: Solve for x
x = 538,677,163,930.16/1,051,518.74 - Step 6: Final answer
x = 512,284.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.