Finding the Fourth Proportional to 1,246,288.79, 1,717,863.72 and 973,883.36
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Solution
The fourth proportional to 1,246,288.79, 1,717,863.72 and 973,883.36 is: 1,342,384.61
Step by Step Solution
- Step 1: Write the proportion equation
1,246,288.79 : 1,717,863.72 = 973,883.36 : x - Step 2: Convert to fraction form
1,246,288.79/1,717,863.72 = 973,883.36/x - Step 3: Cross multiply
1,246,288.79x = 1,717,863.72 × 973,883.36 - Step 4: Simplify right side
1,246,288.79x = 1,672,998,891,655.70 - Step 5: Solve for x
x = 1,672,998,891,655.70/1,246,288.79 - Step 6: Final answer
x = 1,342,384.61
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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.