Finding the Fourth Proportional to 1,272,203.13, 1,909,250.70 and 514,051.18
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Solution
The fourth proportional to 1,272,203.13, 1,909,250.70 and 514,051.18 is: 771,459.02
Step by Step Solution
- Step 1: Write the proportion equation
1,272,203.13 : 1,909,250.70 = 514,051.18 : x - Step 2: Convert to fraction form
1,272,203.13/1,909,250.70 = 514,051.18/x - Step 3: Cross multiply
1,272,203.13x = 1,909,250.70 × 514,051.18 - Step 4: Simplify right side
1,272,203.13x = 981,452,575,250.83 - Step 5: Solve for x
x = 981,452,575,250.83/1,272,203.13 - Step 6: Final answer
x = 771,459.02
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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.