Finding the Fourth Proportional to 1,185,723.36, 1,778,318.97 and 545,412.14
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Solution
The fourth proportional to 1,185,723.36, 1,778,318.97 and 545,412.14 is: 817,995.82
Step by Step Solution
- Step 1: Write the proportion equation
1,185,723.36 : 1,778,318.97 = 545,412.14 : x - Step 2: Convert to fraction form
1,185,723.36/1,778,318.97 = 545,412.14/x - Step 3: Cross multiply
1,185,723.36x = 1,778,318.97 × 545,412.14 - Step 4: Simplify right side
1,185,723.36x = 969,916,755,030.30 - Step 5: Solve for x
x = 969,916,755,030.30/1,185,723.36 - Step 6: Final answer
x = 817,995.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.