Finding the Fourth Proportional to 1,312,354.08, 1,811,048.22 and 708,742.08
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Solution
The fourth proportional to 1,312,354.08, 1,811,048.22 and 708,742.08 is: 978,063.85
Step by Step Solution
- Step 1: Write the proportion equation
1,312,354.08 : 1,811,048.22 = 708,742.08 : x - Step 2: Convert to fraction form
1,312,354.08/1,811,048.22 = 708,742.08/x - Step 3: Cross multiply
1,312,354.08x = 1,811,048.22 × 708,742.08 - Step 4: Simplify right side
1,312,354.08x = 1,283,566,082,423.10 - Step 5: Solve for x
x = 1,283,566,082,423.10/1,312,354.08 - Step 6: Final answer
x = 978,063.85
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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.