Finding the Fourth Proportional to 1,198,479.36, 1,653,910.08 and 661,935.36
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Solution
The fourth proportional to 1,198,479.36, 1,653,910.08 and 661,935.36 is: 913,475.53
Step by Step Solution
- Step 1: Write the proportion equation
1,198,479.36 : 1,653,910.08 = 661,935.36 : x - Step 2: Convert to fraction form
1,198,479.36/1,653,910.08 = 661,935.36/x - Step 3: Cross multiply
1,198,479.36x = 1,653,910.08 × 661,935.36 - Step 4: Simplify right side
1,198,479.36x = 1,094,781,564,212.43 - Step 5: Solve for x
x = 1,094,781,564,212.43/1,198,479.36 - Step 6: Final answer
x = 913,475.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.