Finding the Fourth Proportional to 1,320,128.52, 1,977,679.08 and 751,901.84
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Solution
The fourth proportional to 1,320,128.52, 1,977,679.08 and 751,901.84 is: 1,126,421.03
Step by Step Solution
- Step 1: Write the proportion equation
1,320,128.52 : 1,977,679.08 = 751,901.84 : x - Step 2: Convert to fraction form
1,320,128.52/1,977,679.08 = 751,901.84/x - Step 3: Cross multiply
1,320,128.52x = 1,977,679.08 × 751,901.84 - Step 4: Simplify right side
1,320,128.52x = 1,487,020,529,293.11 - Step 5: Solve for x
x = 1,487,020,529,293.11/1,320,128.52 - Step 6: Final answer
x = 1,126,421.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.