Finding the Fourth Proportional to 1,056,276.99, 1,584,731.27 and 749,120.73
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Solution
The fourth proportional to 1,056,276.99, 1,584,731.27 and 749,120.73 is: 1,123,905.05
Step by Step Solution
- Step 1: Write the proportion equation
1,056,276.99 : 1,584,731.27 = 749,120.73 : x - Step 2: Convert to fraction form
1,056,276.99/1,584,731.27 = 749,120.73/x - Step 3: Cross multiply
1,056,276.99x = 1,584,731.27 × 749,120.73 - Step 4: Simplify right side
1,056,276.99x = 1,187,155,042,090.62 - Step 5: Solve for x
x = 1,187,155,042,090.62/1,056,276.99 - Step 6: Final answer
x = 1,123,905.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.