Finding the Fourth Proportional to 1,205,410.42, 1,808,115.63 and 572,405.14
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Solution
The fourth proportional to 1,205,410.42, 1,808,115.63 and 572,405.14 is: 858,607.71
Step by Step Solution
- Step 1: Write the proportion equation
1,205,410.42 : 1,808,115.63 = 572,405.14 : x - Step 2: Convert to fraction form
1,205,410.42/1,808,115.63 = 572,405.14/x - Step 3: Cross multiply
1,205,410.42x = 1,808,115.63 × 572,405.14 - Step 4: Simplify right side
1,205,410.42x = 1,034,974,680,326.34 - Step 5: Solve for x
x = 1,034,974,680,326.34/1,205,410.42 - Step 6: Final answer
x = 858,607.71
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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.