Finding the Fourth Proportional to 1,139,252.03, 1,572,165.19 and 655,640.99
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Solution
The fourth proportional to 1,139,252.03, 1,572,165.19 and 655,640.99 is: 904,783.06
Step by Step Solution
- Step 1: Write the proportion equation
1,139,252.03 : 1,572,165.19 = 655,640.99 : x - Step 2: Convert to fraction form
1,139,252.03/1,572,165.19 = 655,640.99/x - Step 3: Cross multiply
1,139,252.03x = 1,572,165.19 × 655,640.99 - Step 4: Simplify right side
1,139,252.03x = 1,030,775,943,906.45 - Step 5: Solve for x
x = 1,030,775,943,906.45/1,139,252.03 - Step 6: Final answer
x = 904,783.06
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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.