Finding the Fourth Proportional to 1,135,228.80, 1,566,995.36 and 676,487.27
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Solution
The fourth proportional to 1,135,228.80, 1,566,995.36 and 676,487.27 is: 933,778.65
Step by Step Solution
- Step 1: Write the proportion equation
1,135,228.80 : 1,566,995.36 = 676,487.27 : x - Step 2: Convert to fraction form
1,135,228.80/1,566,995.36 = 676,487.27/x - Step 3: Cross multiply
1,135,228.80x = 1,566,995.36 × 676,487.27 - Step 4: Simplify right side
1,135,228.80x = 1,060,052,415,024.81 - Step 5: Solve for x
x = 1,060,052,415,024.81/1,135,228.80 - Step 6: Final answer
x = 933,778.65
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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.