Finding the Fourth Proportional to 1,198,306.04, 1,653,703.14 and 708,695.26
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Solution
The fourth proportional to 1,198,306.04, 1,653,703.14 and 708,695.26 is: 978,023.60
Step by Step Solution
- Step 1: Write the proportion equation
1,198,306.04 : 1,653,703.14 = 708,695.26 : x - Step 2: Convert to fraction form
1,198,306.04/1,653,703.14 = 708,695.26/x - Step 3: Cross multiply
1,198,306.04x = 1,653,703.14 × 708,695.26 - Step 4: Simplify right side
1,198,306.04x = 1,171,971,581,489.85 - Step 5: Solve for x
x = 1,171,971,581,489.85/1,198,306.04 - Step 6: Final answer
x = 978,023.60
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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.