Finding the Fourth Proportional to 1,117,985.36, 1,542,686.28 and 658,752.08
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Solution
The fourth proportional to 1,117,985.36, 1,542,686.28 and 658,752.08 is: 908,999.20
Step by Step Solution
- Step 1: Write the proportion equation
1,117,985.36 : 1,542,686.28 = 658,752.08 : x - Step 2: Convert to fraction form
1,117,985.36/1,542,686.28 = 658,752.08/x - Step 3: Cross multiply
1,117,985.36x = 1,542,686.28 × 658,752.08 - Step 4: Simplify right side
1,117,985.36x = 1,016,247,795,737.46 - Step 5: Solve for x
x = 1,016,247,795,737.46/1,117,985.36 - Step 6: Final answer
x = 908,999.20
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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.