Finding the Fourth Proportional to 1,312,324.08, 1,811,007.24 and 708,712.08
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Solution
The fourth proportional to 1,312,324.08, 1,811,007.24 and 708,712.08 is: 978,022.68
Step by Step Solution
- Step 1: Write the proportion equation
1,312,324.08 : 1,811,007.24 = 708,712.08 : x - Step 2: Convert to fraction form
1,312,324.08/1,811,007.24 = 708,712.08/x - Step 3: Cross multiply
1,312,324.08x = 1,811,007.24 × 708,712.08 - Step 4: Simplify right side
1,312,324.08x = 1,283,482,707,955.46 - Step 5: Solve for x
x = 1,283,482,707,955.46/1,312,324.08 - Step 6: Final answer
x = 978,022.68
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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.