Finding the Fourth Proportional to 1,345,204.08, 1,855,331.28 and 861,813.84
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Solution
The fourth proportional to 1,345,204.08, 1,855,331.28 and 861,813.84 is: 1,188,630.19
Step by Step Solution
- Step 1: Write the proportion equation
1,345,204.08 : 1,855,331.28 = 861,813.84 : x - Step 2: Convert to fraction form
1,345,204.08/1,855,331.28 = 861,813.84/x - Step 3: Cross multiply
1,345,204.08x = 1,855,331.28 × 861,813.84 - Step 4: Simplify right side
1,345,204.08x = 1,598,950,174,888.92 - Step 5: Solve for x
x = 1,598,950,174,888.92/1,345,204.08 - Step 6: Final answer
x = 1,188,630.19
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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.