Finding the Fourth Proportional to 1,318,968.95, 1,820,177.30 and 745,996.95
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Solution
The fourth proportional to 1,318,968.95, 1,820,177.30 and 745,996.95 is: 1,029,475.88
Step by Step Solution
- Step 1: Write the proportion equation
1,318,968.95 : 1,820,177.30 = 745,996.95 : x - Step 2: Convert to fraction form
1,318,968.95/1,820,177.30 = 745,996.95/x - Step 3: Cross multiply
1,318,968.95x = 1,820,177.30 × 745,996.95 - Step 4: Simplify right side
1,318,968.95x = 1,357,846,714,259.23 - Step 5: Solve for x
x = 1,357,846,714,259.23/1,318,968.95 - Step 6: Final answer
x = 1,029,475.88
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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.