Finding the Fourth Proportional to 1,282,852.98, 1,770,216.95 and 766,504.08
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Solution
The fourth proportional to 1,282,852.98, 1,770,216.95 and 766,504.08 is: 1,057,703.83
Step by Step Solution
- Step 1: Write the proportion equation
1,282,852.98 : 1,770,216.95 = 766,504.08 : x - Step 2: Convert to fraction form
1,282,852.98/1,770,216.95 = 766,504.08/x - Step 3: Cross multiply
1,282,852.98x = 1,770,216.95 × 766,504.08 - Step 4: Simplify right side
1,282,852.98x = 1,356,878,516,576.42 - Step 5: Solve for x
x = 1,356,878,516,576.42/1,282,852.98 - Step 6: Final answer
x = 1,057,703.83
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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.