Finding the Fourth Proportional to 1,011,584.09, 1,395,969.75 and 552,688.82
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Solution
The fourth proportional to 1,011,584.09, 1,395,969.75 and 552,688.82 is: 762,701.66
Step by Step Solution
- Step 1: Write the proportion equation
1,011,584.09 : 1,395,969.75 = 552,688.82 : x - Step 2: Convert to fraction form
1,011,584.09/1,395,969.75 = 552,688.82/x - Step 3: Cross multiply
1,011,584.09x = 1,395,969.75 × 552,688.82 - Step 4: Simplify right side
1,011,584.09x = 771,536,868,285.07 - Step 5: Solve for x
x = 771,536,868,285.07/1,011,584.09 - Step 6: Final answer
x = 762,701.66
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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.