Finding the Fourth Proportional to 1,011,496.36, 1,395,808.96 and 581,783.68
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Solution
The fourth proportional to 1,011,496.36, 1,395,808.96 and 581,783.68 is: 802,829.26
Step by Step Solution
- Step 1: Write the proportion equation
1,011,496.36 : 1,395,808.96 = 581,783.68 : x - Step 2: Convert to fraction form
1,011,496.36/1,395,808.96 = 581,783.68/x - Step 3: Cross multiply
1,011,496.36x = 1,395,808.96 × 581,783.68 - Step 4: Simplify right side
1,011,496.36x = 812,058,873,325.77 - Step 5: Solve for x
x = 812,058,873,325.77/1,011,496.36 - Step 6: Final answer
x = 802,829.26
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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.