Finding the Fourth Proportional to 1,127,541.02, 1,691,560.30 and 328,885.07
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Solution
The fourth proportional to 1,127,541.02, 1,691,560.30 and 328,885.07 is: 493,400.17
Step by Step Solution
- Step 1: Write the proportion equation
1,127,541.02 : 1,691,560.30 = 328,885.07 : x - Step 2: Convert to fraction form
1,127,541.02/1,691,560.30 = 328,885.07/x - Step 3: Cross multiply
1,127,541.02x = 1,691,560.30 × 328,885.07 - Step 4: Simplify right side
1,127,541.02x = 556,328,927,674.72 - Step 5: Solve for x
x = 556,328,927,674.72/1,127,541.02 - Step 6: Final answer
x = 493,400.17
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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.