Finding the Fourth Proportional to 1,293,753.58, 1,785,338.09 and 742,560.02
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Solution
The fourth proportional to 1,293,753.58, 1,785,338.09 and 742,560.02 is: 1,024,708.81
Step by Step Solution
- Step 1: Write the proportion equation
1,293,753.58 : 1,785,338.09 = 742,560.02 : x - Step 2: Convert to fraction form
1,293,753.58/1,785,338.09 = 742,560.02/x - Step 3: Cross multiply
1,293,753.58x = 1,785,338.09 × 742,560.02 - Step 4: Simplify right side
1,293,753.58x = 1,325,720,687,817.16 - Step 5: Solve for x
x = 1,325,720,687,817.16/1,293,753.58 - Step 6: Final answer
x = 1,024,708.81
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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.