Finding the Fourth Proportional to 1,042,844.98, 1,564,497.87 and 377,979.70
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Solution
The fourth proportional to 1,042,844.98, 1,564,497.87 and 377,979.70 is: 567,053.06
Step by Step Solution
- Step 1: Write the proportion equation
1,042,844.98 : 1,564,497.87 = 377,979.70 : x - Step 2: Convert to fraction form
1,042,844.98/1,564,497.87 = 377,979.70/x - Step 3: Cross multiply
1,042,844.98x = 1,564,497.87 × 377,979.70 - Step 4: Simplify right side
1,042,844.98x = 591,348,435,553.24 - Step 5: Solve for x
x = 591,348,435,553.24/1,042,844.98 - Step 6: Final answer
x = 567,053.06
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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.